液压专业英语

1、液压专业英语词汇流体传动hydraulicpower液压技术hydraulics液力技术hydrodynamics气液技术hydropneumatics运行工况operatingconditions额定工况ratedconditions极限工况limitedconditions瞬态工况instantaneousconditions稳态工况steady-stateconditions许用工况acceptableconditions连续工况continuousworkingconditions实际工况actualconditions效率efficiency旋转方向directionofrotati

2、on公称压力nominalpressure工作压力workingpressure进口压力inletpressure出口压力outletpressure压降pressuredrop；differentialpressure背压backpressure启动压力breakoutpressure充油压力chargepressure开启压力crackingpressure峰值压力peakpressure运行压力operatingpressure而寸压试验压力proofpressure冲击压力surgepressure静压力staticpressure系统压力systempressure控制压力pilot

3、pressure充气压力pre-chargepressure吸入压力suctionpressure调压偏差overridepressure额定压力ratedpressure耗气量airconsumption泄漏leakage内泄漏internalleakage外泄漏externalleakage层流laminarflow紊流turbulentflow气穴cavitation流量flowrate排量displacement额定流量ratedflow供给流量supplyflow流量系数flowerfactor滞环hysteresis图形符号graphicalsymbol液压气动元件图形符号symb

4、olsforhydraulicandpneumaticcomponents流体逻辑元件图形符号symbolsforfluidlogicdevices逻辑功能图形符号symbolsforlogicfunctions回路图circuitdiagram压力一时间图pressuretimediagram功能图functiondiagram循环circle自动循环automaticcycle工作循环workingcycle循环速度cyclingspeed工步phase停止工步dwellphase工作工步workingphase快进工步rapidadvancephase快退工步rapidreturnpha

5、se频率响应frequencyresponse重复性repeatability复现性reproducibility漂移drift波动ripple线性度linearity线性区linearregion液压锁紧hydrauliclock液压卡紧sticking变量泵variabledisplacementpump泵的控制controlofpump齿轮泵gearpump叶片泵vanepump柱塞泵pistonpump轴向柱塞泵axialpistonpump法兰安装flangemounting底座安装footmounting液压马达hydraulicmotor冈1度stiffness中位neutral

6、position零位zeroposition自由位freeposition缸cylinder有杆端rodend无杆端rearend外伸行程extendstroke内缩行程retractstroke缓冲cushioning工作行程workingstroke负载压力inducedpressure输出力force实际输出力actualforce单作用缸single-actingcylinder双作用缸double-actingcylinder差动缸differentialcylinder伸缩缸telescopiccylinder阀valve底板sub-plate油路块manifoldblock板式阀

7、sub-platevalve叠力口阀sandwichvalve插装阀cartridgevalve滑阀slidevalve锥阀poppetvalve阀芯valveelement阀芯位置valveelementposition单向阀checkvalve液控单向阀pilot-controlledcheckvalve梭阀shuttlevalve压力控制阀pressurereliefvalve溢流阀pressurereliefvalve顺序阀sequencevalve减压阀pressurereducingvalve平衡阀counterbalancevalve卸荷阀unloadingvalve直动式dir

8、ectlyoperatedtype先导式pilot-operatedtype机械控制式mechanicallycontrolledtype手动式manuallyoperatedtype液控式hydrauliccontrolledtype流量控制阀flowcontrolvalve固定节流阀fixedrestrictivevalve可调节流阀adjustablerestrictivevalve单向节流阀one-wayrestrictivevalve调速阀speedregulatorvalve分流阀flowdividervalve集流阀flow-combiningvalve截止阀shut-offva

9、lve球阀global(ball)valve针阀needlevalve闸阀gatevalve膜片阀diaphragmvalve蝶阀butterflyvalve噪声等级noiselevel放大器amplifier模拟放大器analogueamplifier数字放大器digitalamplifier传感器sensor阈值threshold伺®阀servo-valve四通阀four-wayvalve喷嘴挡板nozzleflapper液压放大器hydraulicamplifier颤振dither阀极性valvepolarity流量增益flowgain对称度symmetry流量极限flowli

10、mit零位内泄漏null(quiescent)leakage遮盖lap零遮盖zerolap正遮盖overlap负遮盖underlap开口opening零偏nullbias零漂nulldrift阀压降valvepressuredrop分辨率resolution频率响应frequencyresponse幅值比amplituderatio相位移phaselag传递函数transferfunction管路flowline硬管rigidtube软管flexiblehose工作管路workingline回油管路returnline补液管路replenishingline控制管路pilotline泄油管路d

11、rainline放气管路bleedline接头fitting；connection焊接式接头weldedfitting扩口式接头flaredfitting快换接头quickreleasecoupling法兰接头flangeconnection弯头elbow异径接头reducerfitting流道flowpass油口port闭式油箱sealedreservoir油箱容量reservoirfluidcapacity气囊式蓄能器bladderaccumulator空气污染aircontamination固体颗粒污染solidcontamination液体污染liquidcontamination空气

12、过滤器airfilter油雾气lubricator热交换器heatexchanger冷去喘cooler力口热器heater温度控制器thermostat消声器silencer双筒过滤器duplexfilter过滤器压降filterpressuredrop有效过滤面积effectivefiltrationarea公称过滤精度nominalfiltrationrating压溃压力collapsepressure填料密封packingseal机械密封mechanicalseal径向密封radialseal旋转密封rotaryseal活塞密封pistonseal活塞杆密封rodseal防尘圈密封wip

13、erseal；scraper组合垫圈bondedwasher复合密封件compositeseal弹性密封件elastomerseal丁月青橡胶nitrilebutadienerubber；NBR聚四氟乙烯polytetrafluoroethene;PTFE优先控制overridecontrol压力表pressuregauge压力传感器electricalpressuretransducer压差计differentialpressureinstrument液位计liquidlevelmeasuringinstrument流量计flowmeter压力开关pressureswitch脉冲发生器pul

14、segenerator液压泵站powerstation空气处理单元airconditionerunit压力控制回路pressurecontrolcircuit安全回路safetycircuit差动回路differentialcircuit调速回路flowcontrolcircuit进口节流回路meter-incircuit出口节流回路meter-outcircuit同步回路synchronizingcircuit开式回路opencircuit闭式回路closedcircuit管路布置pipe-work管卡clamper联轴器driveshaftcoupling操作台controlconsole

15、控制屏controlpanel避震喉compensator粘度viscosity运动粘度kinematicviscosity密度density含水量watercontent闪点flashpoint防锈性rustprotection抗腐蚀性anti-corrosivequality便携式颗粒检测仪portableparticlecounterSolenoidvalve电磁阀Checkvalve单向阀Cartridgevalve插装阀Sandwichplatevalve叠力口阀Pilotvalve先导阀Pilotoperatedcheckvalve液控单向阀Sub-platemount板式安装Ma

16、nifoldblock集成块Pressurereliefvalve压力溢流阀Flowvalve流量阀Throttlevalve节流阀Doublethrottlecheckvalve双单向节流阀Rotaryknob旋钮Rectifierplate节流板Servovalve伺服阀Proportionalvalve比例阀Positionfeedback位置反馈Progressiveflow渐增流量De-energizingofsolenoid电磁铁释放二、介质类Phosphateester(HFD-R)磷酸甘油酯Water-glycol(HFC)水-乙二醇Emulsion乳化液Inhibitor缓蚀

17、剂Syntheticlubricatingoil合成油三、液压安装工程Contamination污染Grout灌浆Failure失效Jog点动Creep爬行Abrasion摩擦Retract(活塞杆)伸出Extension(活塞杆)缩回Malfunction误动作Pickling酸洗Flushing冲洗Dippingprocess槽式酸洗Re-circulation循环Passivity钝化Nitricacid柠檬酸Argon氧气Buttwelding对接焊Socketwelding套管焊Inertgaswelding惰性气体焊四、管接头Bitetypefittings卡套式管接头Tubeto

18、tubefittings接管接头union直通接管接头unionelbow直角管接头uniontee三通管接头unioncross四通管接头Malstudfittings端直通管接头Bulkheadfittings长直通管接头Weldfittings焊接式管接头Femaleconnectorfittings接头螺母Reducersextenders变径管接头Banjofittings较接式管接头Adjustablefittings/swivelnut旋转接头五、伺服阀及伺服系统性能参数Dynamicresponse动态频响DDV-directdrivevalve直动式伺服阀NFPA-Natio

19、nalFluidPowerAssociation美国流体控制学会Phaselag相位滞后Nozzleflappervalve喷嘴挡板阀Servo-jetpilotvalve射流管阀Dither颤振电流Coilimpedance线圈阻抗Flowsaturation流量饱和Linearity线形度Symmetry对称性Hysterics滞环Threshold灵敏度Lap滞后Pressuregain压力增益Null零位Nullbias零偏Nullshift零飘Frequencyresponse频率响应Slope曲线斜坡液压系统(hydraulicsystem)执行元件(actuator)液压缸(cy

20、linder)液压马达(motor)液压回路(circuit)压力控制回路(pressurecontrol)流量(速度)控制回路(speedcontrol)方向控制回路(directionalvalvecontrol安全回路(securitycontrol)定位回路(positioncontrol)同步回路(synchronisecircuit)顺序动作回路(sequeuntcircuit)液压泵(pump阀(valve)压力控制阀(pressurevalve)、流量控制阀(flowvalve)方向控制阀(directionalvalve)液压辅件(accessory)普通阀(commonva

21、lve)液压英文资料流体传动hydraulicpower液压技术hydraulics液力技术hydrodynamics气液技术hydropneumatics运行工况operatingconditions额定工况ratedconditions极限工况limitedconditions瞬态工况instantaneousconditions加急态工况steady-stateconditions许用工况acceptableconditions连续工况continuousworkingconditions实际工况actualconditions效率efficiency插装阀(cartridgevalve

22、)叠力口阀(superimposedvalve旋转方向directionofrotation公称压力nominalpressure工作压力workingpressure进口压力inletpressure出口压力outletpressure压降pressuredropdifferentialpressure背压backpressure启动压力breakoutpressure充油压力chargepressure开启压力crackingpressure峰值压力peakpressure运行压力operatingpressure耐压试验压力proofpressure冲击压力surgepressure静压

23、力staticpressure系统压力systempressure控制压力pilotpressure充气压力pre-chargepressure吸入压力suctionpressure调压偏差overridepressure额定压力ratedpressure耗气量airconsumption泄漏leakage内泄漏internalleakage外泄漏externalleakage层流laminarflow紊流turbulentflow气穴cavitation流量flowrate排量displacement额定流量ratedflow供给流量supplyflow流量系数flowerfactor滞环h

24、ysteresis图形符号graphicalsymbol液压气动元件图形符号symbolsforhydraulicandpneumaticcomponents流体逻辑元件图形符号symbolsforfluidlogicdevices逻辑功能图形符号symbolsforlogicfunctions回路图circuitdiagram压力一时间图pressuretimediagram功能图functiondiagram循环circle自动循环automaticcycle工作循环workingcycle循环速度cyclingspeed工步phase停止工步dwellphase工作工步workingph

25、ase快进工步rapidadvancephase快退工步rapidreturnphase频率响应frequencyresponseHysterics滞环Threshold灵敏度Lap滞后Pressuregain压力增益Null零位Nullbias零偏Nullshift零飘Frequencyresponse频率响应Slope曲线斜坡液压系统(hydraulicsystem)执行元件(actuator)液压缸(cylinder)液压马达(motor)液压回路(circuit)压力控制回路(pressurecontrol)流量(速度)控制回路(speedcontrol)方向控制回路(directio

26、nalvalvecontrol安全回路(securitycontrol)定位回路(positioncontrol)同步回路(synchronisecircuit)顺序动作回路(sequeuntcircuit)液压泵(pump阀(valve)压力控制阀(pressurevalve)、流量控制阀(flowvalve)方向控制阀(directionalvalve)液压辅件(accessory)普通阀(commonvalve插装阀(cartridgevalve)叠力口阀(superimposedvalve四、管接头Bitetypefittings卡套式管接头Tubetotubefittings接管接头

27、union直通接管接头unionelbow直角管接头uniontee三通管接头unioncross四通管接头Malstudfittings端直通管接头Bulkheadfittings长直通管接头Weldfittings焊接式管接头Femaleconnectorfittings接头螺母Reducersextenders变径管接头Banjofittings较接式管接头Adjustablefittings/swivelnut旋转接头五、伺服阀及伺服系统性能参数Dynamicresponse动态频响DDV-directdrivevalve直动式伺服阀NFPA-NationalFluidPowerAss

28、ociation美国流体控制学会Phaselag相位滞后Nozzleflappervalve喷嘴挡板阀Servo-jetpilotvalve射流管阀Dither颤振电流Coilimpedance线圈阻抗Flowsaturation流量饱和Linearity线形度Symmetry对称性Throttlevalve节流阀Doublethrottlecheckvalve双单向节流阀Rotaryknob旋钮Rectifierplate节流板Servovalve伺服阀Proportionalvalve比例阀Positionfeedback位置反馈Progressiveflow渐增流量De-energizi

29、ngofsolenoid电磁铁释放二、介质类Phosphateester(HFD-R)磷酸甘油酯Water-glycol(HFC)水-乙二醇Emulsion乳化液Inhibitor缓蚀剂Syntheticlubricatingoil合成油三、液压安装工程Contamination污染Grout灌浆Failure失效Jog点动Creep爬行Abrasion摩擦Retract（活塞杆）伸出Extension（活塞杆）缩回Malfunction误动作Pickling酸洗Flushing冲洗Dippingprocess梢式酸洗Re-circulation循环Passivity钝化Nitricacid柠

30、檬酸Argon瀛气Buttwelding对接焊Socketwelding套管焊Inertgaswelding惰性气体焊空气处理单元airconditionerunit压力控制回路pressurecontrolcircuit安全回路safetycircuit差动回路differentialcircuit调速回路flowcontrolcircuit进口节流回路meter-incircuit出口节流回路meter-outcircuit同步回路synchronizingcircuit开式回路opencircuit闭式回路closedcircuit管路布置pipe-work管卡clamper联轴器dri

31、veshaftcoupling操作台controlconsole控制屏controlpanel避震喉compensator粘度viscosity运动粘度kinematicviscosity密度density含水量watercontent闪点flashpoint防锈性rustprotection抗腐蚀性anti-corrosivequality便携式颗粒检测仪portableparticlecounterSolenoidvalve电磁阀Checkvalve单向阀Cartridgevalve插装阀Sandwichplatevalve叠力口阀Pilotvalve先导阀Pilotoperatedche

32、ckvalve液控单向阀Sub-platemount板式安装Manifoldblock集成块Pressurereliefvalve压力溢流阀Flowvalve流量阀压力传感器electricalpressuretransducer压差计differentialpressureinstrument液位计liquidlevelmeasuringinstrument流量计flowmeter压力开关pressureswitch脉冲发生器pulsegenerator液压泵站powerstation遮盖lap零遮盖zerolap正遮盖overlap负遮盖underlap开口opening零偏nullbia

33、s零漂nulldrift阀压降valvepressuredrop分辨率resolution频率响应frequencyresponse幅值比amplituderatio相位移phaselag传递函数transferfunction管路flowline硬管rigidtube冷去曙cooler力口热器heater温度控制器thermostat消声器silencer双筒过滤器duplexfilter过滤器压降filterpressuredrop有效过滤面积effectivefiltrationarea公称过滤精度nominalfiltrationrating压溃压力collapsepressure填料

34、密封packingseal机械密封mechanicalseal径向密封radialseal旋转密封rotaryseal活塞密封pistonseal活塞杆密封rodseal防尘圈密封wiperseal;scraper组合垫圈bondedwasher复合密封件compositeseal弹性密封件elastomerseal丁睛橡胶nitrilebutadienerubber;NBR聚四氟乙烯polytetrafluoroethene;PTFE优先控制overridecontrol压力表pressuregauge软管flexiblehose工作管路workingline回油管路returnline补液

35、管路replenishingline控制管路pilotline泄油管路drainline放气管路bleedline接头fitting;connection焊接式接头weldedfitting扩口式接头flaredfitting快换接头quickreleasecoupling法兰接头flangeconnection弯头elbow异径接头reducerfitting流道flowpass油口port闭式油箱sealedreservoir油箱容量reservoirfluidcapacity气囊式蓄能器bladderaccumulator空气污染aircontamination固体颗粒污染solidco

36、ntamination液体污染liquidcontamination空气过滤器airfilter油雾气lubricator热交换器heatexchanger分流阀flowdividervalve集流阀flow-combiningvalve截止阀shut-offvalve球阀global(ball)valve针阀needlevalve闸阀gatevalve膜片阀diaphragmvalve蝶阀butterflyvalve噪声等级noiselevel放大器amplifier模拟放大器analogueamplifier数字放大器digitalamplifier传感器sensor阈值threshold

37、伺月艮阀servo-valve四通阀four-wayvalve喷嘴挡板nozzleflapper液压放大器hydraulicamplifier颤振dither阀极性valvepolarity流量增益flowgain对称度symmetry流量极限flowlimit零位内泄漏null(quiescent)leakage重复性repeatability复现性reproducibility漂移drift波动ripple线性度linearity线性区linearregion液压锁紧hydrauliclock液压卡紧sticking变量泵variabledisplacementpump泵的控制contro

38、lofpump齿轮泵gearpump叶片泵vanepump柱塞泵pistonpump轴向柱塞泵axialpistonpump法兰安装flangemounting底座安装footmounting液压马达hydraulicmotor刚度stiffness中位neutralposition零位zeroposition自由位freeposition缸cylinder有杆端rodend无杆端rearend外伸行程extendstroke内缩行程retractstroke缓冲cushioning工作行程workingstroke负载压力inducedpressure输出力force实际输出力actualf

39、orce单作用缸single-actingcylinder双作用缸double-actingcylinder差动缸differentialcylinder伸缩缸telescopiccylinder阀valve底板sub-plate油路块manifoldblock板式阀sub-platevalve叠力口阀sandwichvalve插装阀cartridgevalve滑阀slidevalve锥阀poppetvalve阀芯valveelement阀芯位置valveelementposition单向阀checkvalve液控单向阀pilot-controlledcheckvalve梭阀shuttleva

40、lve压力控制阀pressurereliefvalve溢流阀pressurereliefvalve顺序阀sequencevalve减压阀pressurereducingvalve平衡阀counterbalancevalve卸荷阀unloadingvalve直动式directlyoperatedtype先导式pilot-operatedtype机械控制式mechanicallycontrolledtype手动式manuallyoperatedtype液控式hydrauliccontrolledtype流量控制阀flowcontrolvalve固定节流I阀fixedrestrictivevalve

41、可调节流阀adjustablerestrictivevalve单向节流阀one-wayrestrictivevalve调速阀speedregulatorvalveSolenoidvalve电磁阀Checkvalve单向阀Cartridgevalve插装阀Sandwichplatevalve叠力口阀Pilotvalve先导阀Pilotoperatedcheckvalve液控单向阀Sub-platemount板式安装Manifoldblock集成块Pressurereliefvalve压力溢流阀Flowvalve流量阀Throttlevalve节流阀Doublethrottlecheckvalve

42、双单向节流阀Rotaryknob旋钮Rectifierplate节流板Servovalve伺服阀Proportionalvalve比例阀Positionfeedback位置反馈Progressiveflow渐增流量De-energizingofsolenoid电磁铁释放Phosphateester(HFD-R)磷酸甘油酯Water-glycol(HFC)水-乙二醇Emulsion乳化液Inhibitor缓蚀剂Syntheticlubricatingoil合成油Contamination污染Grout灌浆Failure失效Jog点动Creep爬行Abrasion摩擦Retract（活塞杆）伸出E

43、xtension（活塞杆）缩回Malfunction误动作Pickling酸洗Flushing冲洗Dippingprocess槽式酸洗Re-circulation循环Passivity专屯化Nitricacid柠檬酸Argon僦气Buttwelding对接焊Socketwelding套管焊Inertgaswelding惰性气体焊四、管接头Bitetypefittings卡套式管接头Tubetotubefittings接管接头union直通接管接头unionelbow直角管接头uniontee三通管接头unioncross四通管接头Malstudfittings端直通管接头Bulkheadfit

44、tings长直通管接头Weldfittings焊接式管接头Femaleconnectorfittings接头螺母Reducersextenders变径管接头Banjofittings较接式管接头Adjustablefittings/swivelnut旋转接头五、伺服阀及伺服系统性能参数Dynamicresponse动态频响DDV-directdrivevalve直动式伺服阀NFPA-NationalFluidPowerAssociation美国流体控制学会Phaselag相位滞后Nozzleflappervalve喷嘴挡板阀Servo-jetpilotvalve射流管阀Dither颤振电流Co

45、ilimpedance线圈阻抗Flowsaturation流量饱和Linearity线形度Symmetry对称性Hysterics滞环Threshold灵敏度Lap滞后Pressuregain压力增益Null零位Nullbias零偏Nullshift零飘Frequencyresponse频率响应Slope曲线斜坡Aability性能；能力load-carryingability承载能力absorber吸收器；吸收剂；过滤器；减震器accessories辅件，附件，配件hydraulicaccessories液压辅件accumulate储存；蓄能；累积accumulator蓄能器；蓄电池；累加器

46、accuracy准确性；精度action作用；动作；作用力；行程actuated操纵，控制directlyactuated直接操纵的，直接控制的pilotactuated先导控制的，液控的actuator执行元件；液压缸；马达adapter接头；衬套；压环；连接件pipeadapter管接头admission供给，供油，供气alignment找正，定心，对中amplifier放大器differentialpressureamplifier压差放大器flowamplifier流量放大器assembly组合，组件，机组axis轴Bback-flow回流back-up支撑hydrostaticbac

47、k-up静压支撑barrel桶，缸体base底座；支座bearing支承；轴承；方位radialballbearing径向球轴承rollingbearing滚动轴承slidingbearing滑动轴承thrustbearing止推轴承bed台pumptestbed泵试验台behavior性能；工况bend弯头；弯管blade叶片flatblade平面叶片forwardinclinedblade前倾叶片guideblade导叶radialblade径向叶片bleed排气airbleed排气阀bleeder排气孔block块；封闭；块体cartridgevalveblock插装阀块体chokebl

48、ock节流板directionalcontrolblock多路阀，方向控制阀组panelblock阀板组body体；缸筒；阀体，壳体pumpbody泵体tankbody箱体valvebody阀体bolt螺栓；插销；螺杆boss轮毂bottom底；底部cylinderbottom缸底；缸后盖bracket支架pumpbracket泵架bubble-tight气密的buffer缓冲器，阻尼器bush(ing)套，导向套；衬套Ccap帽,盖，罩，塞cylinderendcap缸端盖cylinderheadcap缸前盖capacity容量;功率；排量;流量effectivecapacity有效排量，实

49、际排量geometriccapacity几何排量，理论排量casing套，壳，罩gearcasing齿轮箱，变速箱pumpcasing泵体cavitation气蚀cavity月空centering中心调整，定心chamber腔，室；容积；油腔；气腔chamfer槽；倒角changement换向机构characteristic特性曲线；特征线charger加载装置charging充液；充压choke节流；节流口chord弦circlip弹性挡圈circuit回路clearance间隙clog阻塞；堵塞cock龙头collar圈；法兰盘cushioncollar缓冲套locatingcollar定

50、位凸缘套loosecollar轴肩挡圈thrustcollar止推环connection连接；连接管路；接头consumption消耗量cylinder缸；液压缸Ddebugging排除故障；调试deflation排气delivery流量differential差动的；微分的displacement压出；排出；排量；位移dowel定位销drained泄油的duty负载，功率；工况Eeffect作用;效应cavitateeffect气蚀效应chokingeffect节流作用elbow弯头electro-hydraulic电液的entrap困油escape泄漏逸出，排出etching蚀刻；腐蚀ga

51、setching气蚀exhaust排ytt;回油；Ffailure故障;事故;损坏，失效fastener紧固件fatigue疲劳feedback反馈filler加油口，注油口；填料;垫片filter滤油器flow流;液流;流程;流束;流量;流动nominalflow公称流量ratedflow额定流量stationaryflow定常流，定常流动streamlineflow层流turbulentflow紊流volumeflow体积流量flowline管路；流线flow-regulator流量调节阀fluctuation脉动fluid流体,液体;射流hydraulicoperatingfluid液压

52、油incompressiblefluid不可压缩流体frame座，架Ggain增益flowgain流量增益feedbackgain反馈增益gap间隙，缝隙gear齿轮，装置，机构governing调节，控制Hhead缸头，头部;盖;水头;扬程cylinderhead缸头statichead静压头theoretichead理论能头totalhead总能头waterhead水头hole孔，洞airhole气孔blindhole盲孑Lbolthole螺栓孔bose胶管，软管housing壳体；槽hub毂;衬套hydrostatics液压技术，液体静力学Iidling空转impact冲击，撞击impe

53、ller叶轮closedimpeller闭式叶轮openimpeller开式叶轮pumpimpeller泵叶轮incidence入射；入射角bladeincidence叶片安装角incompressible不可压缩的inlet进口；吸入intensifier增压器intensity强度Jjack（柱塞）缸;千斤顶joint接头;关节crossjoint十字接头flangejoint法兰式接头screwedjoint螺纹接头journal轴颈jump跳动;振动pressurejump压力突变Kkeyway键槽Llag滞后；延迟servovalvephaselag伺服阀相位滞后oil油oiler注

54、油器olive球面卡套groovedolive迷宫密封环operation运行;操彳;运算orifice小孔;节流孔O-ringO型密封圈output输出;排量；流量overload过载Ppack包，捆;组合件，部件，单元powerpack液压泵站package包，捆;组彳,单元hydraulicpackage液压泵站powerpackage泵站packing密封；密封装置；填料密封pad衬垫;底座asbestospad石棉垫valvepad阀垫parameter参数part部分;零件;部件partition隔板passage流道；通道;通过pedestal支座，底座motorpedestal电动机座phenomenon现象stic