化工设计常用管道仪表流程图物料代号和缩写词中国石化

化工设计常用管道仪表流程图物料代号和缩写词中国石化1996-12-15公布1997-01-01实施中国石化兰州设计院目次1 讲明 (1)2 管道外表流程图上的物料代号 (1)3 管道外表流程图上的缩写词 (6)附加讲明 (30)实施日期: 1997-01-01第 1 页共30 页1 讲明1.1 在本规定中列入的物料代号和缩写字母是最差不多的。

当工程设计中需要补充本规定所列以外的物料代号和缩写字母时，不要与本规定相矛盾。

1.2 当必须指明物料代号是供给或返回时，可在物料代号后加S(Sup ply)表示供给，加R(Return)表示返回。

例如，本文中冷却水供水为CWS，冷却水回水为CWR。

1.3 要指明气相或液相等相特性时，可在物料代号后加G(Gas)表示气相，加L(Liquid)表示液相，例如氨作为冷冻剂，AMG为气氨，AML为液氨。

1.4 本规定中，不包括自控专业用的代号和缩写字母，不包括计量单位和符号，不列入单位、协会、标准等的缩写字母。

2 管道外表流程图上的物料代号2.1 分类物料代号用于管道编号，分为工艺物料代号及化学品、辅助物料和公用物料代号两类。

2.2 工艺物料代号缩写代号英文中文词义P Process stream 工艺物料(通用代号)PG Process gas 工艺气体PL Process liquid 工艺液体PS Process solid 工艺固体2.3 化学品、辅助物料和公用物料代号缩写代号英文中文词义A Air 空气AC Acid 酸、酸液ACG Acidily gas 酸性气体ACL Acidily liqiud 酸性液体ACS Acidily sewage 酸性污水AD Additive 添加剂AM Ammonia 氨AMG Gaseous ammonia 氨气(作制冷剂) AML Liquid ammonia 液氨(作制冷剂) AMW Ammonia water 氨水BA Blowing Air 鼓风空气BD Blow down 排污BR Brine 盐卤水BW Boiler feed water 锅炉给水C Steamy condensate 水蒸汽凝液CA Caustic 碱、碱液CAG Caustic gas 碱性气体CAL Caustic liquid 碱性液体CAS Caustic sewage 碱性污水CAT Catalyst 催化剂CCA Carrier catalyst Air 催化剂载运空气CDR Chemical Drain 化学污水放净CHW Chilled water 冷冻冷水(指0℃以上)CL Chlorine 氯CM Chemicals 化学品CNS Clean sewage 清净下水CO Cooling oil 冷油(冷却油)COO Carbon dioxide 二氧化碳CRS Contaminated rain and sewage 污染下水(指污染的雨水、冲洗水、放净水、排水)CSW Chilled salt water 冷冻盐水(指0℃以下)CTM Cooling transfer material 冷载体CW Cooling water 冷却水CWR Cooling water return 冷却水回水CWS Cooling water supply 冷却水供水DAW Dealkalized water 脱碱水(用于除盐水系统)DEW Demineralized water 除盐水(脱盐水)DF Dry Flare 干火炬排放气DR Drain 排水、排液DW Domestic water 生活用水、饮用水EA Exhaust air 排出空气ER Ethane(or ethylene)refrigerant 乙烷(或乙烯)冷冻剂ES Exhaust steam 排出蒸汽F Flare exhaust 火炬排放气FA Filling Air 填充空气FG Fuel gas 燃料气FLG Flue gas 烟道气FLW Filtrated water 过滤水FO Fuel oil 燃料油FOS Foaming solution 泡沫液FR Freon refrigerant 氟里昂冷冻剂FT Fused salt 熔盐FW Fire water 消防水GO Gland oil 填料油GW Gased water 加气水、溶气水H Hydrogen 氢气HA Hydrochloric acid 盐酸HC High pressure condensate 高压蒸汽凝液HF Hot Flare 热火炬排放气HO Heating oil 热油、加热油、热载油HS High pressure steam 高压蒸汽HSS High pressure saturated steam 高压饱和蒸汽HSU High pressure super steam 高压过热蒸汽HTM Heat transfer material 热载体HW Hot water 热水HWR Hot water return 热水回水(用于采暖、加热、空调等) HWS Hot water supply 热水给水(用于采暖、加热、空调等) HYL Hydraulic liquid 液压液体HYO Hydraulic oil 液压油HYW Hydraulic water 液压水IA Instrument air 外表空气ICW Intermadiate cooling water 冷却水二次用水IDW Industrial snd domestic water 生产和生活用水IG Inert gas 惰性气体IS Industrial sewage 生产污水(泛指工艺过程产生的污水)IW Industrial water 生产用水LC Low pressure condensate 低压蒸汽凝液LD Liquid drain 排液(泛指工艺排液)LO Lubricating oil 润滑油LS Low pressure steam 低压蒸汽LSS Low pressure saturated steam 低压饱和蒸汽LSU Low pressure super steam 低压过热蒸汽MC Medium pressure condensate 中压蒸汽凝液MR Methane refrigerant 甲烷冷冻剂MS Medium pressure steam 中压蒸汽MSS Medium pressure saturated steam 中压饱和蒸汽MSU Medium pressure super steam 中压过热蒸汽N Nitrogen 氮气NG Natural gas 天然气OL Oil 油(泛指除原料外的油)OS Oily sewage 含油污水OX Oxygen 氧气PA Plant air 工厂空气PC Process Condensate 工艺冷凝液PR Propane(or propylene)refrigerant 丙烷(或丙烯)冷冻剂PW Polished water 精制水QO Quench Oil 急冷油QW Quench water 急冷水R Refrigerant 冷冻剂、冷媒、制冷剂RAW Raw water 原水RCS Rain water and clean sewage 雨水及清净下水(指清净的雨水、冲洗水、放净水、排水)RW Raw water 雨水S Steam 蒸汽SA Sulphuric acid 硫酸SEW Sea water 海水SFW Soft water 软水(软化水)SG Stack Gas 烟道气SL Sealing liquid 密封液SO Sealing oil 密封油SS Sanitary sewage 生活污水STA Starting Air 开车空气SU Sludge,slurry 污泥、泥浆SW Sealing water 密封水TC Turbine Condensate 透平凝液TW Treated waste water 处理后的废(污)水TWF Filtration Treated Water 过滤水TWP Purified Treated Water 澄清水VE Vacuun exhaust 真空排放气VG Vent gas 放(排)空气体W Water 水WAC Waste acid 废酸WCA Waste caustic 废碱WF Wet Flare 湿火炬排放气WG Waste gas 废气WL Waste liquid 废液WO Waste oil 废油WS Waste solid 废渣WW Waste water 废水(各种污水统称) WWC Chemical Waste Water 化学污水WWP Production Waste Water 生产污水WWS Sanitary Waste Water 生活污水3 管道外表流程图上的缩写词3.1 按英文字母顺序排列的缩写词缩写词用于图纸上的讲明和标注。

缩写词英文中文词义A Air drive 气力(空气)驱动A Analysis 分析ABS Absolute 绝对的ABS Acrylonitrile-butadiene-styrene 丙烯腈－丁二烯－苯乙烯ABS.EI. Absolute elevation 绝对标高ACF Advanced certified final 先期确认图纸资料ADPT Adapter 连接头AFC Approved for construction 批准用于施工AFD Approved for design 批准用于设计AFP Approved for planning 批准用于规划设计AGL Angle 角度AGL.V Angle valve 角阀(角式截止阀)ALT Altitude 高度、海拔ALUM. Aluminum 铝ALY.STL. Alloy steel. 合金钢AMT Amount 总量、总数APPROX Approximate 近似的ASB. Asbestos 石棉ASPH. Asphalt 沥青A.S.S. Austenitic stainless steel 奥氏体不锈钢ATM Atmosphere 大气、大气压AUTO Automatic 自动的AVG Average 平均的、平均值B Buyer 买方、买主BAR Barometer 气压计、气压表BA.V Ball valve 球阀B/B(B-B) Back to back 背至背B.B By buyer 买方负责BBL(bbl) Barrel 桶、桶装B.C Between centers 二者中心之间(中心距) BD.V Biowdown valve 泄料阀、排污阀BF Blind flange 盲法兰B.INST By instrument 由外表(专业)负责BL Battery limit 界区线范畴、装置边界BLD Blind 挡板、盲板BLC.V Block valve 切断阀B.M Bench mark 基准点、水准BOM Bill of material 材料表、材料单BOP Bottom of pipe 管底BOT Bottom 底BP Back pressure 背压B.P Bursting pressure 爆破压力B.PT Boiling point 沸点BRS. Brass 黄铜BR.V Breather valve 呼吸阀BRZ. Bronze 青铜B.S By seller 由卖主负责BTF.V Butterfly valve 蝶阀BUR Burner 燃烧器、烧嘴B.V By vendor 由制造厂(卖主)负责C Cap 管帽CAB Cellulose acetate butyrate 醋酸丁酸纤维素CAT Catalyst 催化剂C.B Catch basin 雨水井(池)、集水井(池)、滤污器C/C(C-C) Center to center 中心到中心CCN Client change notice 用户变更通知C.D Closed drain 密闭排放C/E(C-E) Center to end 中心到端头(面)CEM I.ND Cement lined 衬水泥的CENT Centrifugal 离心式、离心力、离心机CERA. Ceramic 陶瓷C/F(C-F) Center to face 中心到面CF Certified final 最终确认图纸资料CG Center of gravity 重心CH Condensate header 冷凝液收集管CHA.OPER Chain operated 链条操纵的C.I. Cast iron 铸铁CIRC Circulate 循环CIRC. Circumference 圆周C.L(Φ) Center line 中心线CL Class 等级CLNC Clearance 间距、容积、间隙CND Conduit 水管、导管、管道CNDS Condensate 冷凝液C.O Clean out 清扫(口)、清除(口)COD Continued on drawing 接续图COEF Coefficient 系数COL Column 塔、柱、列COMB Combination 组合、联合COMBU Combustion 燃烧COMPR Compressor 压缩机CONC Concentric 同心的CONC. Concrete 混凝土CONC.RED Concentric reducer 同心异径管CONDEN Condenser 冷凝器COND. Condition 条件、情形CONN Connect,connecting 连接、管接头CONT Control 操纵CONTD Continued 连接、续CONT.V Control valve 操纵阀COP. Copper 铜、紫铜CPE Chlorinated polyether 氯化聚醚综合管道材料表CPMSS Consolidated piping materialsummary sheetCPLG Coupling 联轴器、管箍、管接头CPVC Chlorinated polyvinyl chloride 氯化聚氯乙烯C.S. Carbon steel 碳钢CSC Car seal close 关闭状态下铅封(未经承诺不得开启) CSO Car seal open 开启状态下铅封(未经承诺不得关闭) C.STL. Cast steel 铸钢CSTG Casting 铸造、铸件、浇注CTR Center 中心C.V Check valve 止回阀、单向阀CYL Cylinder 钢瓶、汽缸、圆柱体D Density 密度D Driver 驱动机、发动机DAMP Damper 调剂挡板DA.P Dash pot 缓冲筒(器)DBL Double 双、复式的DC. Design condition 设计条件DDI Detail design issue 详细设计版DEG Degree 度、等级DF. Design flow 设计流量D.F Drinking fountain 喷嘴式饮水龙头DH Distribute header 分配管(蒸汽分配管)DIA Diameter 直径、通径DIM Dimension 尺寸、因次DISCH Discharge 排料、出口、排出DISTR Distribution 分配DIV Division 部分、分割、隔板DN Nominal diameter 公称(名义)通径DN Down 下DP. Design pressure 设计压力D.PT Dew point 露点DP.V Diaphragm valve 隔膜阀DR. Drive 驱动、传动DRN Drain 排放、排水、排液DSGN Design 设计DSSS Design specification summary sheet 设计规定汇总表DT. Design temperature 设计温度DV.V Diverting valve(reversing valve) 换向阀DWG Drawing 图纸、制图DWG NO. Drawing number 图号E East 东E Combustion engine 内燃机E Gas engine 燃气机ECC Eccentric 偏心的、偏心器(轮、盘、装置) ECC RED Eccentric reducer 偏心异径管E.F Electric furnace 电炉EL Elevation 标高、立面ELEC Electricity,electric 电、电的EMER Emergency 事故、紧急ENCL Enclosure 外壳、罩、围墙EP Explosion proof 防爆EPDM Ethylene propylene diene monomer 乙烯丙烯二烃单体EPR Ethylene propylene rubber 乙丙橡胶EQ Equation 公式、方程式E.S.S Emergency shutdown system 紧急关闭系统EST Estimate 估量etc. And so on(et cetera) 等等ETL Effective tube length 有效管长EXH Exhaust 排气、抽空、取尽EXIST Existing 现有的、原有的EXP Expansion 膨胀EXP.JT Expansion joint 伸缩器、膨胀节、补偿器FBT.V Flush-bottom tank valve 罐底排污阀FC Fail closed 故障(能源中断)时阀关闭FD Flanged and dished 法兰式的和碟形的(圆板形的) F.D Floor drain 地面排水口、地漏FE Flanged end 法兰端部F/F(F-F) Face to face 面到面FF Flat faced(full face) 平面(全平面、满平面)F.H Fire hose 消防水龙带FH Flat heab 平盖FI Fail indeterminate 故障(能源中断)时阀处任意位置FIG. Figure 图FL Fail locked(last position) 故障(能源中断)时阀保持原位(最终位置)FL Floor 楼板、楼面FLG Flange 法兰FLGD Flanged 法兰式的FL.PT Flash point 闪点FMF Female fsce 凹面FO Fail open 故障(能源中断)时阀开启FOB Flat on bottom 底平FOT Flat on top 顶平FPC.V Flap check valve 翻板止回阀FPRF Fireproof 防火F.PT Freezing point 冰点FS Flushing supply 冲洗源F.STL. Forged steel 锻钢FS.V Flush valve 冲洗阀FTF Fitting to fitting 管件直连FTG Fitting 管件FT.V Foot valve 底阀F.W. Field weld 现场焊接G(GENR) Generator 发电机、动力发生气、发生器GALV Galvanize 电镀、镀锌G.CI Grey cast iron 灰铸铁GEN General 一样的、通用的、总的GL Glass 玻璃G.L Ground level 地面标高GL.V Globe valve 截止阀G.OPER Gear operator 齿轮操作器GOV Governor 调速器GR Grade 等级、度GRD Ground 地面GRP Group 组、类、群GR.WT Gross weight 总(毛)重GS Gas supply 气体源GSKT Gasket 垫片、密封垫G.V Gate valve 闸阀H Height 高HA.P Hand pump(wobble pump) 手摇泵HAZ Heat affected zone 热阻碍区H.C. Hand control 手工操作(操纵)HC. Hose connection 软管连接、软管接头H.C.S. High-carbon steel 高碳钢HCV Hand control valve 手动操纵阀HDR Header 总管、主管、集合管HH Handhole 手孔HH Highest(higher) 最高(较高)HLL High liquid level 高液位HOR Horizontal 水平的、卧式的H.P. High pressure 高压HPT High point 高点HS Hose station 软管站(公用工程站、公用物料站) HS Hydraulic supply 液压源HS.C.I High silicon cast iron 高硅铸铁HS.V Hose valve 软管阀HT High temperature 高温HTR Heater 加热器(炉)HYR Hydraulic operator 液压操纵器ID Inside diameter 内径i.e. That is (id est) 即、也确实是IGR Ignitor 点火器INL.PMP Inline pump 管道泵IN Inlet 进口、入口IN Input 输入INS Insulation 隔热、绝缘、隔离INST Instrument 外表、仪器INSTI. Installation 装置、安装INST.V Instrument valve 外表阀INTMT Intermittent 间歇的、断续的IS.B.I. Inside battery limit 装置边界内侧JOB NO. Job number 项目号KR Knuckle radius 转向半径L Length 长度、段、节、距离L Low 低L.N.BLD Line blind 管道盲板LNB.V Line-blind valve 管道盲板阀LC Locked closed 关闭状态下加锁(锁闭)L.C.S. Low-carbon steel 低碳钢LC.V Lift check valve 升降式止回阀LEP Large end plain 大端为平的LET Large end thread 大端带螺纹LG Level glass 玻璃管(板)液位计LIQ Liquid 液体LJF Lap joint flange 松套法兰LL Lowest(lower) 最低(较低)LLL Low liquid level 低液位LND Lined 衬里LO Locked open 开启状态下加锁(锁开)L.P. Low pressure 低压LPT Low point 低点L.R Load ratio 载荷比LR Long redius 长半径LTR Letter 符号、字母、信LUB Lubricant 润滑油、润滑剂M Motor(motor actuator) 电动机、马达、电动执行机构MACH Machine 机器MATL Material 材料、物质MAX Maximum 最大的M.C.S. Medium-carbon steel 中碳钢MDL(M) Middle(medium) 中间的、中等的、正中、当中MF Male face 凸面M&F Male and female 阳的与阴的(凸面和凹面)MH Man hole 人孔M.I. Malleable iron 可锻铸铁MIN Minimum 最小的M.L Match line 接续线MOL WT Molecular weight 分子量MOV Motor operated valve 电动阀M.P. Middle(medium)pressure 中压M.S.S. Martensitic stainless steel 马氏体不锈钢MTD Mean temperature difference 平均温差MTO Material take-off 材料统计MW Minimum wall 最小壁厚M.W Mineral wool 矿渣棉N North 北NB Nominal bore 公称孔径NC American national coarse thread 美国标准粗牙螺纹N.C Normally closed 正常状态下关闭N.C.I. Nodular cast iron(nodular graphite 球墨铸铁iron)NF American national fine thread 美国标准细牙螺纹NIL. Normal interface level 正常界面NIP Nipple 管接头、螺纹管接头NLL Normal liquid level 正常液位N.O Normally open 正常状态下开启NOM Nominal 名义上的、公称的、额定的NO.PKT No pocket 不承诺显现袋形NOR Normal 正常的、正规的、标准的NOZ Nozzle 喷嘴、接管嘴NPS National pipe size 国标管径NPS American standard straight pipe thread 美国标准直管螺纹NPSH Net positive suction head 净(正) 吸入压头NPSHA Net positive suction head available 净(正)吸入压头有效值NPSHR Net positive suction head required 净(正)吸入压头必需值NPT American standard taper pipe thread 美国标准锥管螺纹NS Nitrogen supply 氮源NUM Number 号码、数目N.V Needle valve 针形阀OC. Operating condition 操作条件、工作条件OD Outside diameter 外径OET One end threaded 一端制成螺纹(一端带螺纹) OF. Operating flow 操作流量、工作流量O/O(O-O) Out to out 总尺寸、外廊尺寸OOC Origin of coordinate 坐标原点OP. Operating pressure 操作压力、工作压力OPER Operating 操作的、操纵的、工作的OPP Opposite 相对的、相反的OR Outside radius 外半径ORF Orifice 孔板、小孔OS.B.L Outside battery limit 装置边界外侧OT. Operating temperature 操作温度、工作温度PA Polyamide 聚酰胺管道平面布置图PAP Piping arrangement plan (Pipingassem-bly,piping layout)PAR Parallel 平行的、并联的PARA Paragraph 段、节、款PB Polybutylene 聚丁烯PB Push button 按钮PB STA Push button station 操纵(按钮)站PC Polycarbonate 聚碳酸酯PE Plain end 平端PE Polyethylene 聚乙烯P.F Permanent filter 永久过滤器PF Platform 平台、操作台PFD Process flow diagram 工艺流程图PG Plug 塞子、丝堵、栓PI Point of intersection 交叉点P&ID Piping and instrument diagram 管道外表流程图P.IR. Pig iron 生铁PL Plate 板、盘PLS Plastic 塑料PMMA Polymethel methacrylate 聚甲基丙烯酸甲酯PN Pressure rating(nominal pressure) 公称压力PNEU Pneumatic 气动的、气体的PN.V Pinch valve 夹套式胶管阀(用于泥浆、粉尘等) PO Polyolefin 聚烯烃POS Point of support 支撑点PP Polypropylene 聚丙烯P.PROT Personnel protection 人员爱护PRESS(P) Pressure 压力PS Polystrene 聚苯乙烯P.SPT Pipe support 管架PSR Project status report 项目进展情形报告订货单、采购讲明汇总表PSSS Purchasing specification summarysheetPT Point 点PTFE Polytetrafluoroethylene 聚四氟乙烯PT.V Piston type valve 柱塞阀P.V Plug valve 旋塞阀PVC Polyvinyl chloride 聚氯乙烯PVC LND Polyvinyl chloride lined 聚氯乙烯衬里PVDF Poly vinylidene fluoride 聚偏二氟乙烯Q CPLG Quick coupling 快速接头QC.V Quick closing valve 快闭阀QO.V Quick opening valve 快开阀QTY Quantity 数量R Radius 半径RAD Radiator 辐射器、散热器R.C Rodding connection 棒桶口(孔)RECP Receptacle 储罐、容器、仓库RED Reducer 异径管、减压器、还原器REGEN Regenerator 再生器REV Revision 修改RF Raised face 突面RES Smooth raised face 光滑突面R.H. Relative humidity 相对湿度RJ Ring joint 环形接头(环接)RL.V Relief valve 泄压阀RO Restriction orifice 限流孔板RP Rupture piece(disk) 爆破片RS Rising stem 升杆式(明杆)RSP Removable spool piece 可拆卸短管(件)RUB LND Rubber lined 衬橡胶RV Reducing valve 减压阀S Sample 取样口、取样点S Seller 卖方、卖主S. Shell 壳体、壳程、壳层S South 南S Special(traced) 专门(伴管)SA.V Sampling valve 取样阀SC Sampling cooler 取样冷却器SCH.NO. Schedule number 壁厚系列号SCRD Screwed 螺纹、螺旋SECT Section 剖面图、部分、章、段、节SEP Small end plane 小端为平的SET Small end thread 小端带螺纹S.EW Security eye washer 安全洗眼器S.EW.S Securith eye washer sprayer 安全喷淋洗眼器SG Sight glass 视镜SH.ABR Shock absorber 减震器、振动吸取器SK Sketch 草图、示意图SLR Silencer 消音器SL.V Slide valve 滑阀SN. Swaged nipple 锻制螺纹短管SNR Snubber 缓冲器、锚链禁止器、掏槽眼、减震器SO. Steam out 蒸汽吹出(清除)SP Special piece 专门件SP. Static pressure 静压S.P. Set point 设定点S.P Set pressure 设定压力、整定压力SPEC Specification 讲明、规格特性、明细表SP GR Specific gravity 比重SP HT Specific heat 比热SR Styrene-rubber 苯乙烯橡胶S.S Security sprayer 安全喷淋器S.S. Stainless steel 不锈钢SS Steam supply 蒸汽源ST Steam trace 蒸汽伴热ST. Steam turbine 蒸汽(透平)STD Standard 标准S.TE Structural tee T型结构STL. Steel 钢STM Steam 蒸汽STR Strainer 过滤器SUCT Suction 吸入、入口SV Safety valve 安全阀SW Socket welded 承插焊的SW Switch 开关SYM Symmetrical 对称的SYMB Symbol 符号、信号T Tee T型、三通T Steam trap 蒸汽疏水阀T. Tube 管子、管程、管层T&.B Top and bottom 顶和底T/B(T-B) Top to bottom 顶到底TE Threaded end 螺纹端TEMP(T) Temperature 温度TED Threaded 螺纹的THK Thick 厚度TIT. Titanium 钛TL Tangent line 切线TL/TL(TL- Tangent line to tangent line 切线到切线TL)TOP Top kf pipe 顶、管顶TOS Top of support,top of steel 架顶面、钢结构顶面TR.V Throttle valve 节流阀T.S Temporary strainer 临时过滤器TURB Turbine 透平机、涡轮机、汽轮机U.C Utility coupling 公用工程连接口(公用物料连接口)UFD Utility flow daigram 公用工程流程图(公用物料流程图)UG(U) Underground 埋地、地下UH Unit heater 单元加热器、供热机组UN Union 活接头、联合、结合V Valve 阀V Vendor 制造商、卖主VAC Vacuum 真空VARN Varnish 清漆VBK Vaccum breaker 破真空(阀)VCM Vendor coordinative meeting 厂商和谐会VEL Velocity 速度VERT Vertical 垂直的、立式、垂线VISC Viscosity 粘度VIT Vitreous 玻璃状的、透亮的VOL Volume 体积、容量、卷、册VT Vent connection 放空V.T Vitrified tile 缸瓦质、陶瓷质VTH Vent hole 放气孔、通气孔VT.V Vent valve 放空阀W West 西WD Width 宽度、幅度、阔度WE With equipment 随设备(配套)供货W.I. Wrought iron 熟(锻) 铁W.LD Working load 工作荷载、操作荷载WNF Weld neck flange 对焊法兰WP Weather proof 全天侯、防风雨的W.P. Working point 工作点、操作的WS Water supply 水源WT Wall thickness 壁厚WT. Weight 重量XR X-ray X－射线3.2 按中文笔画顺序排列的缩写词同笔画的中文按中文的拼音字母顺序排列。