土木工程专业英语考试复习重点(词汇)
1.soil types 土类(土壤类别) mud 淤泥(泥浆) silt 粉土clay 黏土sand 沙gravel 碎石
rock 岩石
2.site investigation 场址勘察visual inspection 踏勘exploration 勘探drilling 钻探
seismic 地震的excavation 开挖法representative sample 代表性的土样
ground water-table 地下水位expansive soil 膨胀土
3.speciality 专业structural engineering 结构工程water resources eg 水利工程
geotechnical eg 岩石工程transportation eg 交通运输工程pipeline eg 管道工程construction eg 施工工程community and urban planning 城镇,乡规划photogrametry 摄影测量法surveying and mapping 测绘engineering management 工程管理
4.civil eg 土木工程materials 材料cement concrete 混凝土masonry 砌体steel 钢
timber 木材asphalt 沥青aluminum alloy 铝合金plastic 塑料boting 植被reverting 护墙welding 焊接elastic modulus 弹性模量ultimate tensile strength 极限抗拉强度compressive 抗压shoarbrad 弯曲reinforced concrete 钢筋混凝土fireproof 防火材料corrosion 腐蚀hydration 水化oxidation 氧化
5.structural member 构件beam column 梁柱arch 拱slab 板skyscraper 摩天大楼
curtain wall 护墙bearing 轴承embankment 筑堤pavement 人行道settle 沉降uneven settlement 不均匀沉降uniform 统一的,一样的multistory building 多层建筑roof 屋顶floor 地板,楼层ceiling 天花板highway bridge foundation plan 平面图,规划elevation 立面图underpinning 基础互换
6.construction 建筑物execution 施工control planning 控制规划job site 施工现场earth
moving 土方concrete construction 混凝土结构production 拌制placement 方位安排curing 养护forming 形成embed quarry 采石场blost-hole 爆破explosive road 进出工地的道路
7. building code 建筑规划professional staff 专业人员project manager 项目经理manager
skill permeability 参透性subgrade 路基superstructure 上层结构substructure 下层结构bearing pressure 承载力settle 沉降cadre 基础结构,骨干on-the-job training 在职训练
现代英语词汇学概论最强版复习资料chapter
现代英语词汇学概论最强版复习资料c h a p t e r 文件管理序列号：[K8UY-K9IO69-O6M243-OL889-F88688]
Chapter 9 Changes in Word Meaning 9.1 Causes of Changes in Word Meaning 9.2 Four Tendencies in Semantic Change 9.3 Semantic Development or Change Resulting from the Figurative Use of Words Definition: Change of meaning refers to the alteration of the meaning of existing words, as well as the addition of new meaning to established words. 9.1 Causes of Changes in Word Meaning A.Historical cause 历史原因 It often happens that though a word retains its original form ,its meaning has changed because the object which it denotes has changed . *Changes of meaning because of increased knowledge of the object described are common in the history of science. Eg. pencil ==is from a Latin word meaning “a little tail” or “a fine brush”, like our Chinese “pen”毛笔.Later, when it was made of wood and graphite ,it was still called a “pencil”. atom ==It was borrowed though Latin and French from Greek arouos,invisible. Thus atom meant originally “an particle too small to be divided”. This meaning is now out-of-date, because scientist have found out that atom can be split.
英语词汇学考试重点整理
Explain the following terms 一1) free morpheme/ A free morpheme is one that can be uttered发出，表达alone with meaning. It can exist on its own without a bound morpheme. In the traditional sense, a free morpheme is a word. 例如hand ,eat, get 2) bound form/never used as sentences. – ess in countess, lioness and duchess –ish in boyish, childish and greenish –s in hats, books and cups 3) function words/ function words are often short words, they do not have much lexical meaning and some of them have no lexical meaning of their own; They are often short words such as determiners限定词, conjunctions连词, prepositions介词, auxiliaries辅助物, and so forth. 如to, the , of , by 4) content words实词/ They are used to name objects, qualities, actions, processes or states, and have independent lexical meaning. They are the nouns, main verbs, adjectives形容词and adverbs副词of a language. 二1) syntheti c综合的language / inflectional grammatical markers, French, German and Russian. 2) analytic language/word order, prepositions or auxiliary verbs , English and Chinese 3) Indo-European family of languages/ Europe and parts of Southern Asia Eight groups 三1) morphemes /The morpheme is the smallest meaningful linguistic unit of language, not divisible可分的or analyzable into smaller forms. 2) allomorphs/variants变体of the same morphem如im-, ir-, il- : allomorphs of the morpheme in- 3) root / is the basic unchangeable part of a word, and it conveys the main lexical meaning of the word. work able, work er, work ed, and work ing 4) stem /A stem is of concern only when dealing with inflectional morphology. Inflectional (but not derivational) affixes are added to it. It is the part of word-form which remains when all inflectional affixes have been removed. 如undesirables, undesirable; desired, desire 5) base / A base is any form to which affixes of any kind can be added. Desirable, desire - base and root, not stem; undesirable, desirable-base, not root and stem 6) inflectional affixes/A inflectional affix serves to express such meanings as plurality复数, tense, and the comparative比较的or superlative 最高的degree. 如-s, -ed, -er, -est 7) derivational affixes / When they are added to another morpheme, they derive a new word. re+write, mini+car, super+market, modern+ize, work+er 8) compounding 复合法/Compounding is a word-formation process consisting of combining two or more bases to form a compound word 9) derivation 派生法/Derivation or affixation is generally defined as a word-formation process by which new words are created by adding a prefix or a suffix or both to the base 10) conversion 转化法/Conversion is a word-formation process in which a word of a certain word-class is shifted into a word of another word-class without the addition of an affix. 11) initialism/It is a type of shortening, using the first letters of words to form a proper name, a technical term, or a phrase. 12) acronym首字母缩略词/Acronyms are words formed from the initial letters of the name of an organization or a scientific term, etc. Acronyms differ from initialisms in that they are pronounced as words rather than as sequences of letters. 13) blending拼缀/Blending is a process of word-formation in which a new word is formed by
中韩触觉词汇对比论文
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?1??? 1.1 ?? ?????? ? ??? ?? ???? ???? ?????? ??? ???, ???, ??? ???? ???? ?????? ??? ??? ???? ???? ??? ????? ?? ??? ? ?? ??? ???? ? ??? ??. ?????? ???? ?????? ??? ???? ???(漢藏語)?? ???. ????? ?? ?? ???? ???? ?? ??? ?????? ??? ??? ??? ???. Fisiak(19 81)? “????? ???? ?? ????, ??? ? ??? ??? ????? ??? ?? ??? ??? ?? ??. ??? ?? ??? ???? ???? ???? ?????.”? ????. ? ?????(contrastive linguistics)?? ? ??? ?? ?? ??? ???? ?? ??? ?? ???? ???? ???? ???? ? ????. ?????1? ?? ??? ??? ??? ?? ?? ??? ?? ?? ? ??? ?? ??? ???? ??? ????? ????? ?? ???? ???? ?? 1????????????????????????????????????????????????????, ???????????????????????????????. ?????????????????????????????????????????????????????????. ????????????????????????????, ??, ??, ??, ???????????????. ???????????(Comparative Linguistics)??????, ???????????????????????????????????????????????????????????????????????????????????. ???????????????????????????????, ?????????????????????????????????????????????????. ??????????????????????????????????????. (???(2003), ??) 1
英文专业词汇学考试复习资料
Chapter 1 The Basic Concepts of Words and Vocabulary 1、The Definition of a Word Lexicology focuses on the study of meanings and origins of words. According to semanticists（语义学家）, a word is a unit of meaning. A word is a minimal（最小的）free form of a language that has a given sound, meaning and syntactic function（句法功能）. 2、 Vocabulary All the words in a language make up what is generally known as its vocabulary. 3、 Sound and Meaning The relationship between sound and meaning is no logic 4、 Sound and Form There was more agreement between sound and form in Old English than in Modern English. With the development of the language, more and more differences arose between sound and form. （1）、What is the relationship between sound and meaning? Give examples to illustrate it. The relationship between sound and meaning is arbitrary and conventional. In different languages, the same concept can be shown by different sounds. “Woman”, for example, becomes “Frau” in German, “Femme” in French and “fu nv” in Chinese. On the other hand, the same sound [mi:t] is used to mean “meet, meat, mete”, denoting different things.
土木工程专业英语词汇(整理版)
第一部分必须掌握，第二部分尽量掌握 第一部分： 1 Finite Element Method 有限单元法 2 专业英语Specialty English 3 水利工程Hydraulic Engineering 4 土木工程Civil Engineering 5 地下工程Underground Engineering 6 岩土工程Geotechnical Engineering 7 道路工程Road (Highway) Engineering 8 桥梁工程Bridge Engineering 9 隧道工程Tunnel Engineering 10 工程力学Engineering Mechanics 11 交通工程Traffic Engineering 12 港口工程Port Engineering 13 安全性safety 17木结构timber structure 18 砌体结构masonry structure 19 混凝土结构concrete structure 20 钢结构steelstructure 21 钢-混凝土复合结构steel and concrete composite structure 22 素混凝土plain concrete 23 钢筋混凝土reinforced concrete 24 钢筋rebar 25 预应力混凝土pre-stressed concrete 26 静定结构statically determinate structure 27 超静定结构statically indeterminate structure 28 桁架结构truss structure 29 空间网架结构spatial grid structure 30 近海工程offshore engineering 31 静力学statics 32运动学kinematics 33 动力学dynamics 34 简支梁simply supported beam 35 固定支座fixed bearing 36弹性力学elasticity 37 塑性力学plasticity 38 弹塑性力学elaso-plasticity 39 断裂力学fracture Mechanics 40 土力学soil mechanics 41 水力学hydraulics 42 流体力学fluid mechanics 43 固体力学solid mechanics 44 集中力concentrated force 45 压力pressure 46 静水压力hydrostatic pressure 47 均布压力uniform pressure 48 体力body force 49 重力gravity 50 线荷载line load 51 弯矩bending moment 52 torque 扭矩53 应力stress 54 应变stain 55 正应力normal stress 56 剪应力shearing stress 57 主应力principal stress 58 变形deformation 59 内力internal force 60 偏移量挠度deflection 61 settlement 沉降 62 屈曲失稳buckle 63 轴力axial force 64 允许应力allowable stress 65 疲劳分析fatigue analysis 66 梁beam 67 壳shell 68 板plate 69 桥bridge 70 桩pile 71 主动土压力active earth pressure 72 被动土压力passive earth pressure 73 承载力load-bearing capacity 74 水位water Height 75 位移displacement 76 结构力学structural mechanics 77 材料力学material mechanics 78 经纬仪altometer 79 水准仪level 80 学科discipline 81 子学科sub-discipline 82 期刊journal ,periodical 83文献literature 84 ISSN International Standard Serial Number 国际标准刊号 85 ISBN International Standard Book Number 国际标准书号 86 卷volume 87 期number 88 专着monograph 89 会议论文集Proceeding 90 学位论文thesis, dissertation 91 专利patent 92 档案档案室archive 93 国际学术会议conference 94 导师advisor 95 学位论文答辩defense of thesis 96 博士研究生doctorate student 97 研究生postgraduate 98 EI Engineering Index 工程索引 99 SCI Science Citation Index 科学引文索引 100ISTP Index to Science and Technology Proceedings 科学技术会议论文集索引 101 题目title 102 摘要abstract 103 全文full-text 104 参考文献reference 105 联络单位、所属单位affiliation 106 主题词Subject 107 关键字keyword 108 ASCE American Society of Civil Engineers 美国土木工程师协会 109 FHWA Federal Highway Administration 联邦公路总署
(完整word版)英语词汇学复习大纲整理
1 B a s i c C o n c e p t s 基本概念 1.1 the definition of a word （ alone in a sentence. A word is a minimal free form of a language that has a given sound and meaning and syntactic function.） 1.2 sound and meaning ：symbolic connection is almost always arbitrary and conventional . A dog is called a dog not because the sound and the three letters that make up the word just automatically suggest the animal in question. 1.3 sound and form ： 1.4 vocabulary 1.5 classification of words 词汇分类 basic word stock 基本词汇 nonbasic vocabulary 非基本词汇 by use frequency 按使用频率分： basic word stock and nonbasic vocabulary 基本词汇和非基本词汇 by notion 按概念分： content words and functional words 实义词和功能词 by origin 按起源分： native words and borrowed words 本地词和外来词 all national character 全民性 stability 稳定性 productivity 多产性 polysemy 一词多义 collocability 搭配性 terminology 术语 jargon 行话 slang 俚语 argon 黑话 dialectal words 方言词 archaism 古语词 neologism 新词 neutral in style 文体上中性 frequent in use 使用频繁 native words 本地词 borrowed words 外来词 denizens 同化词 aliens 异形词 translation-loans 译借词 1. No enough letters: alphabet from Latin 2. Pronunciation changed more rapidly 3. Early scribes: change spelling for easier recognition 4. Borrowing: different rules of pronunciation and spelling obvious characteristics 明显的特点 (Functional words do not have notions of their own and their main function is to express the relation between notions, words, etc.)
大学英语词汇练习详解 Test 1
Test 1 1.With the _______of Mary，all the girl students are eager to go to the party. A.exhibition B.exception C.except D.reception 除了玛丽，所有的女孩都急切的想去参加舞会。 答案： B A exhibition 展览 B exception 例外with the exception of =except C except 除了...之外，（减去，不包括）介词 D reception 接待是receive的名词形式， 2.Although the traffic is not busy，he likes to drive at a _______ speed. A.spare B.fast C.moderate D.moral 虽然交通并不拥堵，但是他还是喜欢中速行驶。 答案： C A spare adj. 业余的，备用的，v 抽出（时间，精力），赦免 B fast adj 快速的， C moderate 稳健的，温和的；适度的，中等的；有节制的 D moral adj 道德的 3.All the memories of his childhood had _______ from his mind by the time he was 65. A.faded B.illustrated C.confined D.concerned 他到了65岁是时候，对所有的童年往事的记忆都慢慢的消退了。 答案：A A fade 褪色，消退 B illustrate 举例说明，图解 C confine 限制，禁闭分娩 E.g. He did not confine himself to the one language. 他没把自己局限于这一门语言。 D concern 关心，担心，涉及 4.This river is so big that it is impossible to build a _______ under it without modern technology.
大学英语词汇学期末考试 重点复习资料整理 权威版 后附试题
2012词汇学复习资料 The development of the English Vocabulary 1.Indo-European Language Family The Indo-European Language Family is considered as one of the most important language families. It includes most languages of Europe, the Near East, and India. Those languages, which are believed to have originated from this language family and developed alone different lines, show various degrees of similarity to one another. They fall into eight principal groups, which can be grouped into an Eastern Set东部诸语族: Balto-Slavic波罗的-斯拉夫语, Indo-Iranian印度伊朗语族, Armenian 亚美尼亚语族and Albanian阿尔巴尼亚语族; a Western Set: 西部诸语族Celtic凯尔特语族, Italic 意大利语族, Hellenic希腊语族, Germanic日尔曼语族. All the languages in both sets shed some influence on English to a greater or lesser extent because each has lent words into the English vocabulary. Prussian普鲁士语 Lithuanian立陶宛语 Polish波兰语 Balto-Slavic波罗的-斯拉夫语Czech捷克斯洛伐克语 Bulgarian保加利亚语 Slovenian斯洛文尼亚语 Russian Albanian阿尔巴尼亚 Persian波斯语 Hindi北印度语 Indo-Iranian印度伊朗语系Bengali孟加拉语 Romany，吉卜赛语 Armenian亚美尼亚语 Portuguese Spanish Italic意大利语族Italian Roumanian罗马尼亚语 French Indo-European Language Family Irish Celtic凯尔特语Breton Scottish Norwegian挪威语 Icelandic，冰岛语 Danish丹麦语 Germanic Swedish瑞典语 日尔曼语言English Dutch Flemish German Hellenic，古希腊语- Greek
(完整版)土木工程专业英语常用词汇
Part IV：Commonly Used Professional Terms of Civil Engineering development organization 建设单位 design organization 设计单位 construction organization 施工单位 reinforced concrete 钢筋混凝土 pile 桩 steel structure 钢结构 aluminium alloy 铝合金 masonry 砌体（工程）reinforced ~ 配筋砌体load-bearing ~ 承重砌体unreinforced ~非配筋砌体 permissible stress (allowable stress) 容许应力plywood 胶合板 retaining wall 挡土墙 finish 装修 finishing material装修材料 ventilation 通风 natural ~ 自然通风 mechanical ~ 机械通风 diaphragm wall (continuous concrete wall) 地下连续墙 villa 别墅 moment of inertia 惯性矩 torque 扭矩 stress 应力normal ~ 法向应力shear ~ 剪应力 strain 应变 age hardening 时效硬化 air-conditioning system空调系统 (air) void ration（土）空隙比 albery壁厨，壁龛 a l mery壁厨，贮藏室 anchorage length锚固长度 antiseismic joint 防震缝 architectural appearance 建筑外观 architectural area 建筑面积 architectural design 建筑设计 fiashing 泛水 workability (placeability) 和易性 safety glass安全玻璃 tempered glass (reinforced glass) 钢化玻璃foamed glass泡沫玻璃 asphalt沥青 felt (malthoid) 油毡 riveted connection 铆接 welding焊接 screwed connection 螺栓连接 oakum 麻刀，麻丝 tee三通管 tap存水弯 esthetics美学 formwork 模板（工程） shoring 支撑 batching 配料 slipform construction (slipforming) 滑模施工 lfit-slab construction 升板法施工 mass concrete 大体积混凝土 terrazzo水磨石 construction joint 施工缝 honeycomb蜂窝，空洞，麻面 piled foundation桩基 deep foundation 深基础 shallow foundation浅基础 foundation depth基础埋深 pad foundation独立基础 strip foundation 条形基础 raft foundation筏基 box foundation箱形基础 BSMT=basement 地下室 lift 电梯electric elevator lift well电梯井 escalator 自动扶梯 Poisson’s ratio 泊松比μ Young’s modulus , modulus of elasticity 杨氏模量，弹性模量E safety coefficient 安全系数 fatigue failure 疲劳破坏 bearing capacity of foundations 地基承载力bearing capacity of a pile 单桩承载力 two-way-reinforcement 双向配筋 reinforced concrete two-way slabs钢筋混凝土双向板 single way slab单向板 window blind 窗帘sun blind wind load 风荷载 curing 养护 watertight concrete 防水混凝土 white cement白水泥 separating of concrete混凝土离折segregation of concrete mortar 砂浆~ joint 灰缝 pilaster 壁柱 fire rating耐火等级 fire brick 耐火砖 standard brick标准砖
词汇学试题(2)
哈尔滨商业大学2009-2010学年第二学期《词汇学》期末考试试卷 装 题 订 线 内 不 答 要 一、单项选择题（本大题共40小题，每小题1分，共40 I. Each of the statements below is followed by four alternative answers. Choose the one that would best complete the statement. 1. Morphology is the branch of grammar which studies the structure or forms of words, primarily through the use of _________construct. A. word B. form C. morpheme D. root 2. .Modern English is derived from the language of early ______ tribes. A. Greek B. Roman C. Italian D. Germanic 3. Stylistics is the study of style. It is concerned with the user?s choices of linguistic elements in a particular________ for special effects A. situation B. context C. time D. place 4. Terminology consists of _______ terms used in particular disciplines and academic areas. A. technical B. artistic C. different D. academic 5. _________ belongs to the sub-standard language, a category that seems to stand between the standard general words including informal ones available to everyone and in-group words. A. Jargon B. Argot C. Dialectal words D. Slang 6. The prehistoric Indo-European parent language is thought to be a highly ______language. A. inflected B. derived C. developed D. analyzed 7. The introduction of ________had a great impact on the English vocabulary. A. Hinduism B. Christianity C. Buddhism D. Islamism 8. It is estimated that at least ______ words of Scandinavian origin have survived in modern English. A. 500 B. 800 C. 1000 . D. 900 9. By the end of the _______century , English gradually came back into the schools, the law courts, and government and regained social status. A. 12th B. 13th C. 14th D.15th 10. The Balto-Slavic comprises such modern languages as Prussian, Lithuanian, Polish, Czech, Bulgarian, Slovenian and _______. A. Greek B. Roman C. Indian D. Russian 11. Rugby ,afghan and champagne are words coming from ________. A. names of books B. names of places C. names of people D. trade-names 12. Ex-student, fore tell and post-election contain________. A. negative prefixes B. prefixes of degree or size C. prefixes of time and order D. locative prefixes 13. The prefixes in words new-Nazi, autobiography and pan-European are ________. A. negative prefixes B. prefixes of degree or size C. prefixes of time and order D. miscellaneous prefixes 14. Utopia ,odyssey and Babbit are words from ________. A. names of books B. names of places C. names of people D. trade-names 15. The suffixes in words height en, symbol ize are ________. A. noun suffixes B. verb suffixes C. adverb suffixes D. adjective suffixes
土木工程专业英语词汇汇总
A Type Wooden Ladder A字木梯 A-frame A型骨架 A-truss A型构架 Abandon 废弃 Abandoned well 废井 Aberration of needle 磁针偏差Abnormal pressure 异常压力abnormally high pressure 异常高压Abort 中止 abrasion 磨损 Abrasion surface 浪蚀面 abrasive cut-off machine 磨切机Abrasive Cutting Wheel 拮碟abrasive grinding machine 研磨机Abrasive Grinding Wheel 磨碟abrasive particle 磨料颗粒 Absolute address 绝对地址Absolute altitude 绝对高度Absolute damping 绝对阻尼Absolute deviation 绝对偏差Absolute flying height 绝对航高Absolute gravity 绝对重力 absolute permeability 绝对渗透率absolute porosity 绝对孔隙率absolute temperature 绝对温度absorbability 吸收性；吸附性absorption 吸收 abutment 桥墩 abutting end 邻接端 acceleration 加速 acceleration lane 加速车道Acceleration of gravity 重力加速度acceleration pedal 加速器踏板accelerator 催凝剂；加速器；催化剂acceptance criteria 接受准则 access 通路；通道 access door 检修门；通道门access lane 进出路径 access panel 检修门 access point 入口处；出入通道处access ramp 入口坡道；斜通道access road 通路；通道 access shaft 竖井通道 access spiral loop 螺旋式回旋通道access staircase 通道楼梯 access step 出入口踏步 access tunnel 隧道通道 accessible roof 可到达的屋顶accessory 附件；配件accident 事故；意外 accidental collapse 意外坍塌 accommodate 装设；容纳 accredited private laboratory 认可的私 人实验室 accumulator 储压器；蓄电池 accuracy limit 精度限制 acetylene cylinder 乙炔圆筒 Acetylene Hose 煤喉 Acetylene Regulator 煤表 acid plant 酸洗设备；酸洗机 acid pump 酸液泵 acid tank 酸液缸 acidic rock 酸性岩 acoustic couplant 声耦合剂 acoustic coupler 声音藕合器；音效藕 合器 acoustic lining 隔音板 acoustic screen 隔声屏 Acoustic wave 声波 acrylic paint 丙烯漆料(压克力的油漆) acrylic sheet 丙烯胶片(压克力的胶片) active corrosion 活性腐蚀 active earth pressure 主动土压力 active fault 活断层 active oxidation 活性氧化 actual plot ratio 实际地积比率 actuator 促动器；唧筒；激发器 adapt 改装 adaptor 适配器；承接器；转接器； addition 增设；加建 additional building works 增补建筑工 程 additional horizontal force 额外横向力 additional plan 增补图则(附加的平面 图) additional vent 加设通风口 additive 添加剂 Address 地址 adhesive 黏结剂；胶黏剂 adhesive force 附着力 Adhesive Glue 万能胶 Adhesive Reflective Warning Tape 反 光警告贴纸 adit 入口；通路；坑道口 adjacent construction 相邻建造物 adjacent level 相邻水平 adjacent site 相邻基地 adjacent street 相邻街道 adjoining area 毗邻地区 adjoining building 毗邻建筑物 adjoining land 毗邻土地 adjoining structure 毗邻构筑物 adjustable 可调校 Adjustable Wrench Spanner 昔士 adjuster 调节器 adjustment 调校；调整 Administrative Lawsuit 行政诉讼 Administrative Remedy 行政救济 admixture 掺合剂；外加剂 advance directional sign 前置指路标 志；方向预告标志 advance earthworks 前期土方工程 advance warning sign 前置警告标志 advance works 前期工程 aeration 曝气 aeration tank 曝气池 aerial 天线 Aerial mapping 航空测图 aerial photograph 航测照片 Aerial photography 航照定位 aerial rapid transit system 高架快速运 输系统 aerial ropeway 高架缆车系统 aerial view 鸟瞰图 aerofoil 翼型 aerosol 悬浮微粒；喷雾 aerosphere 大气圈 affix 贴附 aftercooler 后冷却器 afterfilter 后过滤器 aftershock 余震 agent 作用剂；代理人 aggradation 堆积 aggregate 骨材；集料；碎石 aggregate area 总面积 aggregate grading 骨材级配 aggregate superficial area 表面总面积 aggregate usable floor space 总楼地板 空间 agitator 搅拌器；搅动机 air bleeding 放气(空气渗出) air blower 鼓风机 air brake 气压制动器 Air chambor 气室 air circuit 空气回路 air circuit breaker 空气断路器 air cleaner 空气滤清器