汽车专业英语考试题
一．选择题
1.The heart of automobile is( A )
A engine
B body
C chassis
D electric system
2.An engine is mainly composed of two mechanisms and（ B ）systems
A one
B five
C four
D six
3.（ C ）holds all the main components and parts together
A engine
B body
C chassis
D clutch
4.The power train carries ( A ) from the engine crankshaft to car wheels
A power
B body
C engine
D clutch
5.In 1886 ,Karl Benz(C ) the first car in the word .
A find
B compose
C built
D buy
6.Today, more and more modern car are equipped with a variety of（ B ）devices
A pow r
B electronic B switch D transmission
7.Engine is a self-contained （A ）unit vehicle
A power
B body
C engine C device
8.The engine has（ D ）of other parts .
A eighty
B ninety
C sixty
D hundreds
9.The intake stroke begins with the piston at the（ C ）
A BDC
B MB
C
D TDC D CMP
10.Just before the bottom of power stroke , the exhaust valve C
A ups
B downs
C closes
D open
11.The body is designed to keep passengers（ B ）and comfortable.
A look
B safe B like D discuss
12.The （ D ）provides power to move the automobile.
A piston
B transmission
C clutch
D engine
13.The transmission delivers the power to the （ B ）.
A engine
B differential
C chassis
D generator
14.The transmission delivers the power to the （C ）
A two
B three
C four
D five
15.Most automobile engines operate on the （B ）stroke-cycle principle
A easy
B primary
C comfortable
D leisurely
16.The cooling system keeps the engine running at its most （D ）temperature
A low
B constant
C high
D efficient
17.The spring of radiator cap determines the （C ）pressure in the cooling system.
A long
B wide
C maximum
D minimum
18.Oxygen Sensor is mounted into the （A ）manifold area.
A exhaust
B intake
C valve
D block
19.Oxygen sensor is employed in （ C ）loop systems to modify the basic pulse width after the fact
A small
B big
C closed
D opened
20.（ C ）on engine parts also provides lubrication for engine start-up.
A fuel
B vapor
C oil
D water
21.In most cars, the oil pump is in the crankcase （A ）the sump.
A above
B on
C bottom
D in
22.The fans are controlled either with a thermostatic switch or by the engine （D ）
A hint
B signal
C valve
D computer
23.A radiator is a type of （ C ）ex-changer.
A power
B electric
C heat
D cool
24.Most vehicles today use （）injector per cylinder
25.The （ A ）that the injector is open, the more fuel is injected.
A longer
B shorter
C bigger
D smaller
二．多选题
26.( A ), ( B ), and ( C )are essential forms of transportation.
A Automobiles
B trucks
C buses
D planes
27.An automobile body is a sheet metal shell with (B ), ( C ), and a trunk deck built into it.
A chair
B windows
C a hood
D desk
28.At the exhaust stroke, the exhaust valve( B ) and the intake valve ( D ).
A close
B closes
C open
D opens
29.The cooling system of a water-cooled engine consists of the engine's water jacket, a , a water pump, a radiator and radiator cap, a ( BC )e c t.
A camshaft
B thermostat
C fan
D cylinder
30.The engine oil forms a seal between the ( B ), ( C ), and cylinders
A wheels
B rings
C pistons
D crankshafts
31.Modern cars use one of two common types of oil pumps--the ( B )-type and the ( C )-type.
A vane
B gear
C rotor
D blade
32.The oil has many purposes: there are lubricate,( B ),( D ),clean e c t.
A heat
B seal
C warm
D cool
33.The gasoline engine is mainly composed of (B )mechanism，and ( D ) system.
A one
B two B four D five
34.Crank-connecting rod mechanism including the (B )，connecting-rod，piston and ( D ) etc
A camshaft
B crankshaft
C piston
D flywheel
35.There are two types of cooling systems：( A )cooling and ( C )cooling
A liquid
B oil
C air
D vapor
三．判断题
T 36.The engine is a self-contained power unit witch converts the energy of fuel into mechanic energy for moving the vehicle .
F 37.The majority of engines in motor vehicles today are five-stroke piston engine.
T 38.To provide a more even and continuous flow of power .automobiles have engines with six,eight,twelve or fourteen cylinders.
T 39.For identification purpose,manufactures classify automobile engines just by their cylinder arrangement.
T 40.Just before the bottom of power stroke , the exhaust valve closes。
T 41.Swept volume :the volume between TDC and BDC .
T https://www.360docs.net/doc/b218751420.html,pression ratio =（swept vol+ clearance vol）/（clearance vol）
T 43.Any automobile is composed of the section such as engine, chassis , body , electric system.
F 44.Automobile have many kind of structure and shape ,but their basic structure is different each other .
T 45.The heart of automobile is engine.
T 46.The cooling system removes excessive heat from the engine.
T 47.The lubrication system is important in keeping the engine running smoothly.
T 48.The power from the engine moves through the transmission.
T 49.The transmission delivers the power to the differential.
F 50.The fuel system supplies gasoline or diesel fuel to the
oil pan.
T 51.The oil pump continues to circulate the oil as long as the engine is running.
F 52.The oil filter ensures that only dirty oil enters the engine.
T 53.Most filters also have a pressure-relief valve, or bypass valve.
F 54.Anti-scuff additives help to polish moving parts, not including cams, pistons, and cylinder walls.
F 55.Most modern cars use copper radiators.
T 56.A radiator is a type of heat ex-changer.
T 57.EFI uses solenoid valves called injectors to meter fuel delivery.
T 58.As rpm is increased, up to a point, airflow also increases and fuel flow must increase to match it.
T 59.water temperature sensor is usually mounted in the intake manifold or air filter area
T 60.Airflow measurement is by one of two basic methods: Mass Airflow and Speed Density.
T 61.Fuel is drawn from the tank by the pump which set up pressure to around 40 psi.
F 62.The thermostat's main job is to allow the engine to heat up quickly, and then to keep the engine at a constant temperature.
F 63.The purpose of the engine's cooling system is to remove all heat from the engine,
T 64.The pump not circulates fluid whenever the engine is running.
T 65.In most cars, the oil pump is in the crankcase above the sump.
新 全 汽车专业英语期末试卷
汽车专业英语期末试卷 (100分） 一选择题（10分） 1 It does not only have economic effects but also provide C job opportunities A numerous B difficult to count C countless D a lot of 2 the electrical system contains battery light generator, engine ignition .lighting circuit, and various B that control their use A the socket B switches C the charger D battery 3 suspension is the term given to the system of springs . Shock absorbers and B that connects a vehicle to its wheels . A contact B linkages C meet D thing of 4 A solid axle designs utilize springs to soften their inherent harsh ride characteristics , they still bump along like a brick out house. A even though B even if C although D since
5 the frame A two straight pressed steel members, five cross members , the front axle , the rear axle and four wheels A consists of B be made up of C include D reason 二把下面的表达式转化为中文或英文（20分） 1 邮车 mail van 6 sedan 轿车 2 赛车 racing car 7 bumper 保险杠 3 救护车 ambulance 8 lamp 灯 4 越野车 off -road vehicles 9 tire 轮胎 5 洒水车 sprinkler 10 hood 发动机罩 三把下面的简写正确搭配（10分） FWD electrical suspension control system TD Four -wheel drive AT anti -lock brake system ABS turbo diesel ESCS automatic transmission 四写出下面单词的全称及意思 (10分） 1 SUV 运动型多功能用车 sports utility vehicle
汽车专业英语翻译综合
第一章汽车总论 1)Today’s average car contains more than 15,000 separate, individual parts that must work together. These parts can be grouped into four major categories: body, engine, chassis and electrical equipment 。P1 现在的车辆一般都由15000多个分散、独立且相互配合的零部件组成。这些零部件主要分为四类：车身、发动机、底盘和电气设备。 2)The engine acts as the power unit. The internal combustion engine is most common: this obtains its power by burning a liquid fuel inside the engine cylinder. There are two types of engine: gasoline (also called a spark-ignition engine) and diesel (also called a compression-ignition engine). Both engines are called heat engines; the burning fuel generates heat which causes the gas inside the cylinder to increase its pressure and supply power to rotate a shaft connected to the power train. P3 发动机作为动力设备，常见的类型是内燃机，其原理是通过发动机缸内的液体燃料燃烧而产生能量。发动机可分为两类：汽油机（点燃式）和柴油机（压燃式），都属于热力发动机。燃料燃烧产生热量使缸内气压上升，产生的能量驱动轴旋转，并传递给动力传动系。 第二章内燃机 1)Power train system: conveys the drive to the wheels 2)Steering system: controls the direction of movement 3)Suspension system: absorbs the road shocks 4)Braking system: slows down the vehicle P4 传动系把发动机输出的扭矩传递给驱动轮。传动系包括离合器（对应机械变速器）或液力变矩器（对应液力自动变速器）、变速器、驱动轴、主减速器、差速器和驱动桥。 5)Drum brakes have a drum attached to the wheel hub, and braking occurs by means of brake shoes expanding against the inside of the drum. With disc brakes, a disc attached to the wheel hub is clenched between two brake pads. P6 鼓式制动器的制动鼓和轮毂连接，制动蹄张开压紧制动鼓内侧从而产生制动。在盘式制动器上，连着轮毂的制动盘被紧紧夹在两个制动块之间。 1)Linking the piston by a connecting rod to a crankshaft causes the gas to rotate the shaft through half a turn.The power stroke"uses up"the gas,so means must be provided to expel the burnt gas and recharge the cylinder with a fresh petrol-air mixture:this control of gas movement is the duty of the valves;An inlet valve allows the mixture to enter at the right time and an exhaust valve lets out the burnt gas after the gas has done its job . P10 活塞通过连杆和曲轴连接，使得气体带动曲轴旋转半圈。作功冲程耗尽了所有的气体，这样就必须采取相应的措施排出废气并且向气缸内充入新的可燃混合气：气体的运动由气门来控制。进气门使可燃混合气在恰当的时刻进入气缸，排气门使燃烧后的废气排出气缸。 2)The spark-ignition engine is an internal-combustion engine with externally supplied in ignition,which converts the energy cntained in the fuel to kinetic energy.The cycle of operations is spread over four piston strokes. To complete the full cycle it takes two revolutions of the crankshaft. P11 火花点火式发动机是由外部提供点火的内燃机，从而将含在燃料内的能量转化成动能。发动机的一个工作循环分布在活塞的四个行程中，一个完整的工作循环曲轴需要转动两圈。 3)The oil pump in the lubricating system draws oil from the oil pan and sends it to all working parts in the engine. The oil drains off and runs down into the pan. Thus,there is constant circulation of oil between the pan and the working parts of the engine. P15
汽车专业英语期末考试题型说明
Terminal Reviews to English for the Automotive Profession I. Answer the following questions.(20%) Choose 5 of 6, 4 points for each, total in 20 points. 1. What does the drive train consist of? The drive train consists of clutch, transmission, driveshafts, differentials, and the final drive (drive wheels, continuous track like with tanks or Caterpillar tractors, propeller, etc.). In a wider sense, the drive train includes all of its components used to transform stored (chemical, solar, nuclear, kinetic, potential, etc) energy into kinetic energy for propulsion purposes. 2. How to install the drive gear? First, clean the drive gear attaching bolts. Second, remove the adhesive adhered to the threaded holes of the drive gear by turning the special tool, and then clean the treaded holes by applying compressed air. Third, apply the specified adhesive to the threaded holes of the drive gear. Forth, install the drive gear onto the differential case with the mating marks properly aligned. Tighten the bolts to the specified torque in a diagonal sequence. 3. What is the process of the ABS working? The Anti-lock Brake System (ABS) uses a sensor that know when one wheel (or a pair of wheels) is skidding. The sensor sends a signal to a computer, which signals a modulator valve. The modulator connects into the hydraulic system and can momentarily release the brake pressure and prevent the wheels from locking. (The pressure release is so fast that a driver is seldom aware of it.) Pressure is then reapplied until the sensor again sensor that the wheel is about to lock up. Thus, this system keeps the wheels as colse to lock up as possible, without actually allowing the wheels to lock up and skid. This is called incipient lock up. Maximum braking occurs at that point. 4. What is the purpose of gear reduction from steering gear? The gear reduction is known as steering gear ratio. This is needed to reduce the amount of effort required to turn the steering wheel, particularly when parking. During straight-ahead driving, this also reduces the possiblility of oversteering. The ratios vary considerably, depending largely on vehicle size and weight. Larger, heavier vehicles require a graeter reduction in manual steering gears. 5. How does the starter clutch work? The purpose of the starter clutch is to engage and disengage the pinion gear from the flywheel. When the starer is cranking, the pinion gear slides on the armature shaft and engages the flywheel. 6. How to check DTC in the normal mode? First, turn ignition switch off. Second, connect terminals TE1 and E1 of data link connector 1 or 2. Third, Turn ignition switch on. Forth, read the diagnostic trouble code on malfuntion indicator lamp on the combination meter. Fifth, afer completing the check, turn ignition switch off and disconnect terminals TE1 and E1. II. Translate the following into Chinese. (20%) Choose 20 of 30, 1 points for each, total in 20 points. 1. drive train 动力传动系 2. suspension system and axle 悬挂系统和驱动桥 3. brake system 制动系统 4. steering system 转向系统
《汽车专业英语》期末试卷附答案第2套
2、The modern automatic transmission is by far the most complicated mechanical component in today’s automobile. 3、Torque that is produced at the end of the crankshaft by the engine must be transmitted to the driving wheels. 4、A double overhead cam engine has two cams per head. So in-line engines have two cams, and V-type engines have four. 5、所以冷却系统的另一个重要作用是让发动机尽快的升温，并保持在稳定的温度范围内。 .
三、Answer the following questions in English. (3×5’) 1、Why do we need the cooling system in an IEC （内燃机）? 2、What is the function of the braking system? 3、What ’s the displacement of an engine? 四、 Choose the right answer. (5×2’) 1、What do almost all cars use to convert gasoline into motion? A. one-stroke combustion cycle B. two-stroke combustion cycle C. three-stroke combustion cycle D. four-stroke combustion cycle 2、A car uses a four-stroke engine. The four strokes are . A. intake, compression, ignition and exhaust B. injection, rotation, ignition and exhaust C. injection, carburetion, rotation and exhaust 3、What is the core of a car ’s engine?
汽车专业英语大纲
汽车专业英语大纲 Company number：【0089WT-8898YT-W8CCB-BUUT-202108】
《汽车专业英语》课程标准 学时/学分： 32/2 课程类型：理论课程（A类） 适用专业：汽车电子技术专业 课程所属系部：汽车工程系 批准日期：2014年5月 一、制定依据与课程定位 （一）制定依据 本课程标准是依据汽车检测与维修技术、汽车制造与装配技术、需要制定。 （二）课程定位 《汽车专业英语》这门课程是汽车专业的一门专业选修课程，旨在使学生掌握汽车专业常用的英语词汇。 通过本课程的学习，培养学生在汽车专业领域具有的一定的英语阅读能力和翻译能力，以便学生更好的直接从外文资料中获取新的知识和信息。 二、课程教学目标 《汽车专业英语》是三年制高职汽车检测与维修技术、汽车制造与装配技术、的专业选修课程。其任务是使学生一方面可以巩固已掌握的词汇和语法知识，另一方面扩大专业词汇量，提高学生对汽车专业英文文献的阅读能力。通过教学应使学生获得初步具备专业英语翻译能力和初步具备能够直接从外文资料中获取信息的能力。 （一）知识目标 1、掌握专业英语中的基本词汇和专有名词； 2、掌握专业英语中常用的语法和句型结构； 3、可以阅读有一定词汇量的专业英语文献。 （二）能力目标 通过对《汽车专业英语》的教学，力求向学生提供未来工作岗位所需要专业英语知识，培养学生在实际工作岗位上运用汽车专业英语的能力。
1、阐述“专业阅读”，内容力求反应汽车专业方面的最新知识，文章能展示当今汽车专业方面的最新技术，同时书中附带一些真实的现场照片。 2、阐述“专业术语”，帮助学生了解汽车各零部件的功能及应用，是学生进入企业后应用较多的内容。 3、阐述“试试您的动手能力”，以汽车故障诊断为主，列举大量贴近企业工作实际的实例。 4、阐述“交际会话”，选用贴近实际，贴近企业，贴近岗位的常用专业英语会话。 （三）素质目标 通过教学应使学生认识《汽车专业英语》学习的基本方法， 1、具备通过查阅资料等方法，通过自学获取知识和新技术的能力； 2、通过不同形式的探究活动、自主学习，体验科技发现和创造的历程，发展抽象思维和辨证逻辑思维。 3、养成严谨求实的科学态度以及质疑和独立思考的学习习惯。 4、使学生具备正确的价值观与评定事物的能力，具备一定的英文语言表达能力以及与人交往沟通的能力。 5、培养学生爱岗敬业、团结协作、吃苦耐劳的职业精神与创新设计的意识。 三、课程内容设计 （一）学时分配
汽车专业英语+白虎成 西华大学成人高等教育课程考试试题库
西华大学成人高等教育课程考试试题库 课程名称：汽车专业英语适用于： 17秋中汽1、2、3、4班 一、选择题（每题2分,总分50分） 1. The heart of automobile is（）. A engine B body C chassis D electric system 2.An engine is mainly composed of two mechanisms and（）systems A one B five C four D six 3.（）holds all the main components and parts together A engine B body C chassis D clutch 4. The power train carries （）from the engine crankshaft to car wheels A power B body C engine D clutch 5.In 1886 ,Karl Benz（）the first car in the word . A find B compose C built D buy 6.Today, more and more modern car are equipped with a variety of（）devices A power B electronic B switch D transmission 7.Engine is a self-contained （）unit vehicle A power B body C engine C device 8.The engine has（）of other parts . A eighty B ninety C sixty D hundreds 9.The intake stroke begins with the piston at the（） A BDC B MB C D TDC D CMP 10.Just before the bottom of power stroke , the exhaust valve C A ups B downs C closes D open 11.The body is designed to keep passengers（）and comfortable. A look B safe B like D discuss 12.The （）provides power to move the automobile. A piston B transmission C clutch D engine 13.The transmission delivers the power to the （）. A engine B differential C chassis D generator 14.Reducing friction to minimize wear and loss of power is （）the job a lubrication system must perform. A easy B primary C comfortable D leisurely 15.Most automobile engines operate on the （）stroke-cycle principle A one B two C three D four 16.The cooling system keeps the engine running at its most （）temperature A low B constant C high D efficient 17.The spring of radiator cap determines the （）pressure in the cooling system. A long B wide C maximum D minimum 18 .Oxygen Sensor is mounted into the （）manifold area. A exhaust B intake C valve D block 19.Oxygen sensor is employed in （）loop systems to modify the basic pulse width after the fact. A small B big C closed D opened 20.Most vehicles today use （）injector per cylinder. A one B two C three D four
汽车专业英语2版参考译文-20180227-2
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《汽车专业英语》课程教学大纲 课程基本信息 课程类别：汽车维修专业课 课程名称：汽车专业英语 开设学期：第五学期 课程类别：专业基础课 开课单位： 第一部分课程说明 课程的性质和任务： 本课程为汽车运用专业（大专）的专业课程。以汽车发动机、底盘及有关汽车运用、修理和维护为主要内容，目的是使学生通过一定学时的专业阅读，巩固已经掌握的基本词汇和语法知识，扩大专业词汇，掌握科技文章的语法结构及文体方面的知识，提高英语应用能力，使学生能达到以英语为工具，获得专业所需的信息。 掌握科技英语的基本特点及本专业的英语基本词汇1500-2500，阅读本专业的一般科技文献速度达到40-60单词/分钟，准确度大于75%；借助工具书，本专业的一般科技文献翻译速度应高于1500字符/小时，要求译文基本准确，文字通顺。 本门课程与其他课程关系： 本课程是汽车类专业学生学习汽车专业的主体专业课。前导课程为《大学英语一》、《大学英语二》、《大学英语三》、《汽车发动机构造与维修技术》、《汽车底盘构造与维修技术》。 推荐教材及参考书： <<汽车实用英语>> 电子工业出版社粟利萍主编 2005.6 <<汽车专业英语>> 上海交通大学出版社蔡伟义虞兰主编 2001 第二部分教学内容纲要 一、教学内容及要求 UNIT 1 Structure of Automobiles 文章的阅读与理解及翻译，掌握文中所述汽车构造，了解阅读材料所述之内容, 了解阅读材料所述之内容。 （☆）重点：Automobile Structure （△）难点：Language points and expression UNIT 2 Four-stage-engine Operation 文章的阅读与理解及翻译，掌握文中所述四冲程发动机的工作过程,了解阅读材料所述之内容。 （☆）重点：Engine Operation （△）难点：Complex sentences UNIT 3 T he Power Mechanism of the Engine 文章的阅读与理解及翻译，掌握文中所述发动机能量转换装置,即曲柄连杆机构,活塞连杆组的
汽车专业英语试卷(试题)
一、1.Power Train: 动力传动系, 动力传动机构 2.Suspension:悬挂 3.Cylinder: 气缸 4.Transmission: 变速器 5.Gasoline: 汽油 6.Final Drive: 主减速器 7.Leaf Spring: 钢板弹簧 8.Piston: 活塞 9.TDC: 上死点（Top Dead Center）； 10.Lubrication: 润滑 11.Muffler: 消音器 12.Planetary Gear: 行星齿轮 13.Disc Brake: 盘式制动器 14.V enting System: 透气系统 15.Hybrid: 混合(动力) 二、1.Today’s average car contains more than 15000 separate, individual parts that must work together. These parts can be grouped into four major categories: body,engine,chassis and electrical system. 今天的普通汽车由超过15000个独立的、单个的的零部件组成,这些零部件必须一起工作。这些部件可以分为四大类:身体、发动机、底盘和电气系统。 2. Gasoline and Diesel are called heat engines, the burning fuel generates heat which causes the gas inside the cylinder to incr ease its pressure and supply power to rotate a shaft connected to the power train.汽油和柴油叫做热力发动机,燃烧燃料产生热使得缸内压力增加并且提供动力驱动动力系统传动轴. 3. An automatic transmission performs similar functions to a manual transmission except that gear selection is controlled either htdraulically or electronically. 自动变速执行的功能和手动变速器相似，只是选档选择由液压或者电气控制。 4. The purpose of the complete suspension system is to isolate the vehicle body from road shocks and vibrations, which will otherwise be transferred to the passengers and load.（完整的）悬挂系统的用途是隔离路面对车身的路冲击和振动，否则路冲击和振动将传递给乘员和载荷。 5. All vehicles must fitted with at least 2 independent brake systems. They were once called the service brake and the emergency brake.所有的车辆必须配备至少2个独立的制动系统。它们被称为行车制动器和停车制动器（紧急制动器）。 6. The pressure developed within the combustion chamber is applied to the head of a piston to produce a usable mechanical force.燃烧室的压力推动活塞头部产生可用的机械力。 7. The valve system is made up of those parts needed to open and close the valves at just the right time.气门系统由一些可以控制气门在正确的时间气门打开和关闭的零部件组成。 8. The burned gases removed from the combustion chamber contain such harmful emissions as hydrocarbons,carbon monoxide and nitrous oxides.燃烧室已燃烧的气体包含有害的排放物如碳氢化合物，一氧化碳和氮氧化物。 9. The location of the driving axle determines whether the vehicle is classified as rear-wheel drive,front-wheel drive,four-wheel drive or all-wheel drive.传动轴的位置决定车辆的分类是后轮驱动，前轮驱动，四轮驱动或者全轮驱动。 10、In commercial vehicles, the necessary final-drive ration can only rarely be accommodated in one stage. For this reason, use is usually made of more elaborate final-drive systems.在商用车，主减速器只能极少被装配在一个阶段。出于这个原因,通常是使用更复杂的主减速器。 11. There are two main ways of building automobiles. They are built using body/frame construction and unitized body construction.有两种主要的方式构建汽车。它们建立使用身体/框架结构（非承载式车身）和整体车身结构（承载式车身结构）。 三、1.A chassis which is considered as a support frame for an auto body is used to assemble all auto spare on it. In fact, when power from engine continues to be transmitted to chassis, it begins with power t rain, goes on to steering, wheel suspension, brakes and tires. These individual components interact with each other closely. Therefore, a chassis itself can be divided into the following systems. 汽车底盘也被视为一个支架（机架），将所有的汽车零部件在其上组装。事实上,当动力从发动机继续传送到底盘,它开始于传动系,接着是转向系统,轮悬挂、刹车和轮胎。这些单独的组件相互密切作用。因此,底盘本身可以分为以下系统。 2.The engine block serves as a rigid metal foundation for all parts of an engine. It contains the cylinders and supports the crankshaft and camshaft. In older engines, the valve seats, ports, and guides are built into the block. Accessory units and the clutch housing are bolted to it. Blocks are made of either cast iron or aluminum. The lighter the block (providing it has sufficient strength), the better. 发动机缸体是汽车发动机所有部件的一个钢性金属基础。它包含气缸并且支持曲轴和凸轮轴。在老式发动机，气门座，汽门,气门导管都在发动机缸体内.附件单元和离合器壳也用螺栓固定在发动机缸体上.发动机缸体是铸铁或者铝.发动机缸体重量(有足够的强度)越轻越好. 3.现代离合器是单盘式、干式盘（或叫干式离合器）。它包括五个主要部分: 飞轮、离合器盘、压盘总成,离合器分离轴承,离合器分离机构。其他组成离合器总成的其他部件是传动输入轴和离合器壳。 - 1 -