电力行业常 用英文缩写

常用英文缩写英文全称缩写中文Section#段positive+正的<<低于<<小于>>大于zerosequence0_SEQ零序1stextraction1STEXTR一段抽汽allphases3PH全相AUTOMATIC/MANUALA/M自动/手动AuxiliaryControlPanelACP辅助控制盘Analog-To-DigitalA/D模/数（转换）activepowerA_PW有功功率abnormalABNM异常alternatingcurrentAC交流accidentACCD事故acknowledgeACK确认actACT动作ActatthesametimeACTATST同时动作AutomaticDispatchSystemADS（电网）自动调度系统activeACTIVE激励adjustingADJ调整AirAIR空气AirflowAIRFLOW风量airsideAIR_S空侧AilleakAL漏风alarmALM报警alarmwindowALMWIN光字牌airpreheaterAPH空预器AuxiliaryRelayAR辅助继电器areaAREA分区、区AutomaticFrequencyControlAFC自动频率控制ashhopperASHHOP灰斗AshplantservicetransformerASHPX灰场变AutomaticGainControlAGC自动增益控制AtmosphereATM大气蒸汽气氛atomizingATM雾化AverageAVG平均平均数atmosphericreliefvalveATMRELVLV对空排汽门AmpereAMP安培AUXILIARYSTEAMAS辅助蒸汽AuxiliaryOilPumpAOP辅助油泵AnalogAO模拟量输出AnnunciatorANN报警器信号器automaticAUTO自动AIRHEATERAH暖风器AuxiliaryAUX辅助axialdisplacementAXIDISP轴向位移BackBA后storagebatteryBATTERY蓄电池BalanceBAL天平、平衡BatteryBAT电池、电池组BearingboxBB轴承箱bobbinBBIN筒体Buchholtz/gasBCHTZ/GAS瓦斯bearingBEAR轴承BearingvibrationBEARVBRT轴振beltBELT皮带boilerfeederwaterpumpturbineBFPT小汽机butterflyvalveBFV蝶阀behindBH在…的后面(front)bigplatenBIGPLTN大屏bin,pulverizedcoalbunkerBIN粉仓BLADEBLD动叶blowdownBLDN排污blockingBLOCK堵塞boilerBLR(锅)炉BoilerBLR锅炉boilerhallBLRHALL锅炉房Boilermakeup/feedwaterplantBMFWP锅炉补给水车间Boilermakeup/feedwatertreatmenttransformerBMFWTX锅炉补给水处理变BurnerBNR燃烧器BACK-UPBKUP备用bodyBODY本体bowlBOWL磨碗boxBOX盒boosterpumpBP前置泵BOLIERMASTERBM锅炉主控BOOSTERPUMPBSTPMP前置泵BranchBRCH分支branchBRCH支路BurnerBRNR燃烧器breakerBRKR断路器BottomBTM底ButtonBUT按钮busBUS母线BushBUSH轴瓦bypassBYPS旁路(iron)coreCORE铁芯(coal)feederCOALFDR给煤机cabinetCAB柜CabinetCAB机柜calculationCAL计算CallbacksewagepumproomCSPR污水回收泵房CapacitorCAP电容器CapacityCAP容量cationCATION阳离子ceilingCLNG顶棚CenterCTR中心ChannelCHANL通道ChargeCHARGE充电CHARGERCHGR充电器CheckCHK校正CheckValveCV单向阀逆止阀checkvalve,non-returnvalveCHKV逆止门ChemistryCHEM化学ChemistryaddingmedicinetreatmentCAMT化学加药处理ChiefCHF总CircuitCCT电路circulatingCIR循环circulatingwaterCIRWTR循环水CirculatingwateraddingmedicineCWAM循环水加药间CirculatingwaterpumproomCWPR循环水泵房CirculatingwatertransformerCWX循环水变cleanCLEAN净CLOCKWISECW顺时针方向closeCL关closedemandCD关命令closeswitchCLSWTH合闸ClosedCD已关,关状态closedCL闭式closedcirculatingwaterCLCIRWTR闭式循环水ClosedpositionCP关状态coalblockingCOALBLOCK堵煤CoalbreakerroomCBR碎煤机室coalconveyerCOALCVR输煤机CobblestoneCS石子cogCOG齿cogCOG齿部coilCOIL线圈coldairCOLDAIR冷风ColdAirDamperCAD冷风挡板collarCOLLAR轭部CollectingringCER集电环CollectionCLCT收集CombinerCOMBNR组件CommandCMD命令指令CommonCOM公用ComplexCOMP复合composeCMPS合成CompoundCMPS混合物复合的CompressAirCA压缩空气CompressedCMPRS压缩compressedairCPRESSAIR压缩空气condensateCND凝结condensatepumpCNDP凝结水泵condensatedwaterCNDWTR凝结水CondensatedwatertreatmentCWT凝结水处理CondenseWaterPumpCWP凝结水泵CondenserCOND凝汽器\电容器CondenserCirculatingWaterPumpStationCCWPS凝汽器循环水泵房CondenserCirculatingWaterSystemCCWS凝汽器循环水系统CONDENSINGWATERCDW凝结水connectorCNTR连通管ContainerCTNR罐CONTINUECONT连续continueblowdownCTNBLDN连排continueblowdownflashtankCTNBLDNFLTK连排扩容器ControlCTL控制controlboxCTLBOX控制箱ControldemandCTLDMD控制命令controlroomCTLROOM控制室CONTROLVALVECV调节阀convergeCNVG汇流ConvergencerefrigerationstationCTS集中制冷站ConverterCONV转炉换流器变频器ConveyingcoaltransformerCCX输煤变coolreheatCOOLRHT冷再热CoolerCLR冷却器冰箱coolerCLR冷却器coolingCLG冷却coolingair(blower)fanCLGAIRFAN(CAF)冷却风机CoolingTowersCT冷水塔CoolingWaterPumpCWP循环水泵cornerCRNR角couplerCPLR耦合器creviceCRVC夹层creviceCRVC间隙currentCURR电流CutDownCD切断降低cutoffthewatersupplyWTRCUT断水commontransformerCX公用变cylinderCYL汽缸DryashstoreroomDAR干灰库directcurrentDC直流deaeratorDEA除氧器DECREASEDEC减少DegreeDEG度度数程度次数DemineralizedDEMINE除盐的DemineralizeddeviceDEMINR除盐装置DRAFTFANDF排烟风机DieselGeneratorDG柴油发电机狄塞尔发电机DiameterDIA直径DiagonalDIAG图 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 示意图电路图图解differentialpressureDIFPRS（DP）差压（压差）differentialDIFF差动differentialpressureDIFFPRS压差（差压）DiverterDIV分流器,避雷器dirtyDIRTY脏DischargeDISCH泄放DischargeoilDISCHOIL排油,回油DischargesteamDISCHSTM放汽dischargewaterDISCHWTR放水disconnectingDISCON断线displaceDISP位移DemandDMD要求,指令,命令damperDMPR挡板downDN下downcomerDNCMR下降管DiaphragmDPHRM隔膜DraftDRAFT通风DregsDRG渣drainwaterDRN疏水drainwaterflashtankDRNFLTK疏水扩容器draintankDRNTK疏水罐drainwatervalveDRNV疏水门DrumDRUM汽包driveendDRV_E驱动端DewPointDP露点DesuperheatDSH减温DesuperheaterDSHR减温器dieselengineDSL柴油机disappearDSPPR消失dissolvedDSSLV溶解DensityDSTY浓度DirtyoilchamberDTYOC污油室DuplicateDUP复DenouncewheelmachineDWM斗轮机DewaterDWTR脱水EccentricityECNT偏心率EconomizerECON省煤器ElectricELEC电气electricmotorMTR电机(电动机)ElectricalHydraulicControlsEHC电-液控制EmergencyEMG紧急,事故EmergencyOilPumpEOP事故油泵emergencyrelieveoilvalveEMGRLVOILV紧急放油阀endEND结束EndfaceENDFACE端面energystorageENST蓄能(器)equipmentEQPMNT装置exchangerEXCHR交换器excitationEXCT励磁ExcitationwindingE_WND励磁绕组exciterEXCTR励磁机excitersideEXCTRSIDE励端excitertransformerEXCTX励磁变ExhaustEXH排风exhaustgasfanEGF排烟风机ExhaustoilEXHOIL排油ExhauststeamEXHSTM排汽ExhaustwaterEXHWTR排水ExhausterEXHR排风机expansionEXP膨胀expansiondifferenceEXPDIFF胀差ExtendEXTD伸进extractionsteamEXTR抽汽failureFAIL失败FanroomFRM风机房FastswitchequipmentFEW快切装置fast-closingFASTCL速断FaultFAULT故障feedbackFDBK反馈FeederFDR给煤机feedwaterFEEDWTR给水filterFLTR过滤器,滤网finetreatmentFINETRMT精处理firefightingFGHT消防firingFIRING点火flameFLM火焰flameintensityFLMINTS火焰强度flameproofoilFPO抗燃油flangeFLAN法兰flashtankFLTK扩容器flowFLW流量FlowmeterFM流量计fluegasFLUEGAS排烟forceFORCE强制forceddraftairFD送风forceddraftfanFDF送风机FoursegmentFS四段FrequencyFREQ频率FrequencyChangerFREQCH变频器,换频器,变频管frontFR前front/backF/B前后FuelFUEL燃料FUELFLOWFF燃料量FuelpumproomFPR燃油泵房furnaceFNC炉膛fusibleFUSE熔断fusiblecutoutFUSE熔断器FixedvalueFV定值gasGAS气体GasAnalyzerGA气体 分析 定性数据统计分析pdf销售业绩分析模板建筑结构震害分析销售进度分析表京东商城竞争战略分析 器,烟气分析器gaspassGASPASS烟道gastempGASTEM烟温GearGEAR齿轮generatorGEN发电机GeneratorCoolingSystemGCS发电机冷却系统generatortransformerunitGXU发变组GetridofgastransformerGASX除灰变GigaG十亿千兆GlandGLD轴封governingGVN可调速的GoverningoilGVNOIL(GO)调速油governingvalveGVNV调速汽门groundGND接地GroundswitchGND_S接地刀GroupGP组guidevaneGDVN导叶steamsealing,steamsealglandGLD汽封HandleHDL柄,把手,处理,操作H2sideH2_S氢侧H2supplyH2SPL供氢headerHDR集箱,联箱,母管HeatAirGateHAG热风门heatsteamHEATSTM加热蒸汽heaterHTR加热器HeaterDrain&VentsystemHDVS加热器疏水及排气系统HeatingHTG采暖heavyHEAVY重HertzHZ赫兹HighHIGH(HI)高highenergysparkigniterHESI高能点火器highintermediatepressurecylinderHIPC高中压缸highlevelwaterboxHLWB高位水箱highlimitHIGHLMT高限highpressureHIGHPRS(HP)高压力highpressureauxiliaryHIGHAUX高辅highpressurecylinderHPC高压缸highpressureheaderHPH高加highspeedHIGHSPD高速hightemperatureHIGHTEM高温highvoltageHIGHVOLT高电压highvoltagestandbytransformerHVSX高备变High-HighHH高高High-lowHL高低horizontalHORZ水平(方向)的hotairHOTAIR热风HotAirDamperHAD热风挡板hotreheatHOTRHT热再热hotwellHOTWELL热井humidityHMDT湿度hydrauliccouplerHD_CPLR液力耦合器hydraulicoilHYDLOIL液压油HydraulicpressureHYDP液压hydraulicservomotorHD_MTR油动机HydrogenH2氢气HydrogenHYD氢Hydrogen(IonConcentration)Ph氢离子浓度HydraulicHYD液压IgnitionIGNT点火IgniterIGNTR点火器impedanceIMPDC阻抗increateINC增加induceddraftairIDA引风induceddraftfanIDF引风机industrialINDUS工业的IngoingING进ingoinglineINGLINE进线inletINL入口inletsideINLSIDE吸入端innerINN内,内侧,内部Input/OutputI/O输入/输出InsertINST插入IntegrationINTR综合,积分interconnectionINTRCT联络interlockINTRLK联锁intermediatepressureINTRPRS中压intermediatepressurecylinderIPC中压缸intermittentINTMT定期(排污)intermittentblowdownflashtankINTMTBLDNFLTK定期排污扩容器inverseINVS逆ionION离子IonExchangerIX离子交换剂(器)isolateISLT隔离isolatingplatenISLTPLTN分隔屏IsolationISLT绝缘KilometerKM千米Kilovolt-ampereKVA千伏安Kilovoltkv千伏特electricalworkKWH电度LayerAL_AA层thelaststageL_STG末级layerLAYER层LockedClosedLC闭锁联锁关闭libertysideLBTYSIDE自由端LEVELCONTROLVALVELCV液位调节阀LoadDispatchSystemLDS负荷分配系统LocalLCL就地LeftLE左leakLEAK泄漏liftLIFT支撑liftbearingLIFTBEAR支撑轴承lightLIGHT轻LimitSwitchLIMSW限位开关LimitLMT极限limitLMT限LOWPRESSUREHEATERLH低压加热器LoadLOAD负荷lockLOCK闭锁lockcloseLOCKCL闭锁关lockopenLOCKOPN闭锁开losemagnetLOSEMAG失磁losesynchronizerLOSESYN失步lowpressureauxiliaryLOWAUX低辅lowfrequencyLOWFREQ低频lowlimitLOWLMT低限lowpressureLOWPRS低压力lowspeedLOWSPD低速lowtemperatureLOWTEM低温LowvoltageLOWVOLT低电压LowLOW(LO)低LoadRatioControlLRC负荷率控制lowpressurecylinderLPC低压缸lowpressureheaterLPH低加lubeLUB润滑lubeoilLUBOIL润滑油levelLVL液位lowerLWR下层,低层LightingtransformerLX照明变coalmillMILL磨煤机electricmagneticMAG电磁electricmagneticvalveMAGV电磁阀MachineroomMCHRM机房MagneticcontrolmeterMCM磁控表magnetogeneratorMGNT永励机mainMAIN主MainelectricmotorMMTR主电机mainsteamMAINSTM主蒸汽mainsteamstopvalveMAINSTMV(MSV)主汽门maintransformerMAINXFMR主变mainturbineMAINTURB主机maintenanceMAINTENACE检修MaintenancetransformerMNTNCX检修变MakeH2stationMH2S制氢站make-upoilMKUPOIL补油make-upwaterMKUPWTR补水ManualMANL手动masterfueltripMFT主燃料跳闸matchMATCH满足MaterialstoreroomMRM材料库MaximumMAX最大maximumcontinuousrevolutionMCR最大连续出力MaximumDifferentialPressMAXDIFFP最大差压MaximumDifferentialTempMAXDIFFT最大温差measurementpointMSMNTPNT测点mechanicalMCHN机械meshMESH啮合MetalMTL金属MetaloperatingtransformerMOX金工变MiddleMID中间,中部MinimumMIN最小MinuteMIN分钟modeMODE方式MomentMNT力矩monitorMNTR监视motivepowerMTV动力motorMTR马达motordrivefeedwaterpumpMDFP电动给水泵MotordrivespeedgoverningoilpumpMDSGOP电动调速油泵motoroperatedMO电动motoroperatedregulatingvalveMOV电动调节门motoroperatedvalveMOV电动门movingbladeM_BLD动叶片beoutoforderNODR失灵natriumNA钠NetNET球网negativepressure-P负压networkcontrolroomNETCTLROOM网控室NeutralpointNTRLPNT中性点NitrogenN2氮NonNON非nondriveendN_DRV_E非驱动端nonsymmetryN_SYM不对称normalNORM正常NormallyOpenNO常开的NozzleNOZZLE火嘴NumberNO.号（量词）oilOIL油OilboxOILBOX油箱oilcoolerOILCLR冷油器oilfilterOILFLTR油滤网oilpipeOILPIPE油路oilpressureOILPRS油压oilpumpOILP油泵oilstationOILSTN油站oilsupplyOILSPL供油oiltankOILTK贮油箱oiltemperatureOILTEM油温OilvalueOILVLU油量OnlyONLY仅OP,OPENOPEN开指令(DO)OPD,OPNDOPENED开到位(DI)openOPN开式opencirculatingOPNCIR开式循环opencirculatingwaterOPNCIRWTR(OCW)开式循环水opendemandOPNDMD打开命令openedstatusOP开状态operatingpowerO_PW工作电源operatingtransformerOX工作变压器operationOPR操作orientationORT方向outerOUT外部OutgoingwaterOUTGWTR出水outgoingwireOUTGWIRE出线outletOUTL出口outletsideOUTLSIDE吐出端OutsideDiameterOD外径overcurrentOVCRRT过流overexciterOVEXCTR过励磁overloadOVLOAD过负荷OverspeedOVERSPD超速overtemperatureOVERTEM超温overvoltageOVVOLT过压overflowOVFL溢流overflowstationOVFLSTN溢流站overloadOVLOAD过载oxygencontentO2CT含氧量padPAD瓦(轴承)padPAD瓦块panelfacePNFC盘面PercentPCT百分比permitPMT允许phasePH相phaseangledifferencePHDIFF相位差phaselosePHLOSE缺相pilotbearingPLTBEAR导向轴承PilotvalvePLTV滑阀PipePIP管,管道PipewallPIPWALL管壁PlantfronttransformerPFX厂前变plantinnerPLNTINN厂内plantservicehighertransformerP_H_XFMR厂高变plantservicelowertransformerP_L_XFMR厂低变PlantservicepowerratePLNTPWRATE厂用电率plantservicetransformerP_XFMR厂变platensuperheatP_SHTR屏式过热器pneumaticPNMTC气动PointPNT点positionPOS位置PowerPW功率PowerCabinetPC电源柜PowerCircuitBreakerPCB电力开关,电力断路器poweronPWON有电PowersupplyPW电源PrecipitatorPREC除尘器preheatPRHT预热preheatpipePRHTPIP预热管道pressurePRS(P)压力pressureandtemperaturereducerPRS/TEMREDR减温减压器pressurereducervalvePRV减压阀PressureSwitchPS压力开关PrimaryPRI第一位的主要的初步的primaryairPA一次风primaryairfanPAF一次风机ProbePROBE探针ProcessPRCS,P过程,步骤programmedcontrolPRGC程控protectionPRCT保护PulsePULSE脉冲PulverizedcoalPUL煤粉pulverizedcoalfeederPVLFDR给粉机Pulverized-coalsystemPCS制粉系统PulverizerPULV磨煤机PUMPPMP（P）泵purgePURGE吹扫purityPURITY纯度PurityoilchamberPUROC净油室pushbuttonPB按钮（键）puttingintoPUTIN投valvepositionPOS阀位/位置反馈RevolutionsPerMinuteRPM每分钟转速radial/axialRAD/AXI径向RadialbearingRBEAR径向轴承rateRATE率RatioRATIO比reactivepowerR_PW无功rearplatenREARPLTN后屏recirculationRECIR再循环recirculationvalveRECIRV再循环阀rectifierRCTFR整流器rectifyingRCTF整流RectifyingequipmentR_EPT整流装置RadiatorRDTR散热器ReduceREDR减少referenceREF参考regenerationRGEN再生RegulateREG控制调节校准regulatevalveRGLV调节门regulatingstageRGLSTG调节级ReheatRHT再热ReheatStopValveRSV再热汽门reheatedsteamRHTSTM再热蒸汽reheaterRHTR再热器relativeexpansionRLTVEXP相对膨胀relayRELAY继电器ReleaseRELS解除ReliefValveRV安全阀,放气阀,保险阀RemoteREMO遥控remoteRMT远方renewRENEW重新Require,REQESTREQ请求ResetRSET复位retractRETR退回,缩回return(oil,water)RTN(OIL,WTR)回(油,水)reversalrotationRRT反转ReversalwashingRWG反冲洗reverseRVRS反向riddingbubblechamberRBCH消泡箱rightRI右rotatingspeedROTSPD转速rotationRT旋转rotorRTR转子rowROW排(量词)rubberballRBBRBALL胶球RunRUN运行runbackRB快速减负荷RUNDOWNRD(负荷)迫降RunningboilerroomRBR启动锅炉房RunningpositionRUNP运行状态TheroomofinstallingballsROMINBAL装球室safetySFT保安SaveSAVE储能scannerSCNR火检scoreSCORE比sealoilSEALOIL密封油sealwaterSEALWTR密封水SealingSEAL密封SecondSEC秒片刻第二secondaryairSA二次风secondaryairdamperSAD二次风挡板select,selectionSEL选择SecondarySEC次要的,辅助的,副线圈SensorSSR传感器SeparatorSEP分离器SEQUENCEOFEVENTSSOE事件顺序 记录 混凝土 养护记录下载土方回填监理旁站记录免费下载集备记录下载集备记录下载集备记录下载 SetSET设定SETPOINTSP给定植ShaftSHFT轴shellSHELL壳体ShockproofSHKPRF耐震ShortcircuitSC短路SideSIDE侧sideAS_AA侧sidewallSIDEWALL侧墙SignalSIG信号，发信号slagremoverSLGRMV出渣机，除渣机SlidingstoppushingbearingSSPB滑动止推轴承slotSLOT槽slowdownSLOWDN减速SOLENOIDVALVESV电磁阀sootblowSBW吹灰sootblowerSBWR吹灰器sourceSRC源SpeedSPD速度speedgovernorSPDGOV调速器speedupSPDUP加速spraySPRAY喷水springSPR弹簧StageSTG级StageoneSTGI（第）一级standbySTBY备用standbypowersourceSTBYPW备用电源startSTR开始（启动）StartandstandbytransformerSBX起备变StartdemandSTRD启动指令StationSTN站stationarybladeS_BLD静叶片statorSTAT定子status,stateST状态SteamSTM汽steamairheaterSAH暖风器steamchamberSTMROOM蒸汽室steamheaderSTMHDR集汽联箱steamleadpipeSTMLP导汽管steamsupplySTMSPL供汽steamtemperatureSTMTEM汽温stepupSTEPUP升压STOPSTP停止指令(DO)stopcommandSD停止命令stoppositionSP停止位STOPPEDSTPD停止状态(DI)STOPPINGSTPNG停止过程(中间变量)StorehouseSH仓strokeSTROKE行程SuitabilitySUIT适合superheatedSH过热superheatedsteamSHSTM过热蒸汽superheaterSHTR过热器surgeSURGE喘震swaySWAY摆动switchSWTH开关，切换symmetrySYM对称synchronousSYNCH同期systemSYS系统TvalveTV三通阀tapTAP抽头temperatureTEM(T)温度TemperatureIndicatorTI温度表testTEST 检测 工程第三方检测合同工程防雷检测合同植筋拉拔检测方案传感器技术课后答案检测机构通用要求培训 ，试验ThermalSwitchTS热控开关、温度开关ThrottleTHRL节流门，截止门thrustTHST推力thrustbearingTHSTBEAR推力轴承tipplerTPLR翻车机TipplertransformerTPLRX翻车机变toTO至toindicatorTOINDCT仪（器）用topTOP顶torsionaloscillationTOROSC扭振TransportstationTS转运站TransferSwitchXS转换开关转接开关transformerXFMR变压器transportXPRT输送treatmentTRMT处理tripTRIP跳闸TROUBLETRBL故障turbineTURB汽机TURBINEMASTERTM汽机主控turbinesideTURBSIDE机端turbine-drivenfeedwaterpumpTDFP汽动给水泵TURBINESUPERVISORYINSTRUMENTTSI汽机监视仪表turnTURN匝间turningTURN盘车TURNINGGEATCONTROLCONTACTEDTRNGGRCONTACTED盘车装置啮合TURNINGGEATCONTROLDEVIATEDTRNGGRDEVIATED盘车装置脱开UngearingUNGEAR脱扣unitUNIT机组UnitdrainwaterslotUDS机组排水槽UNITMASTERUM机组主控upUP上,上部upperUPP上层UseUSE用（使用）UserUSER用户VacuumVACM真空vacuumbreakvalveVACMBRKV真空破坏阀vacuumpumpVACMP真空泵valveV阀门ValvePositionDetectorVPD阀位探测器VentVENT排空verticalVERT竖直(方向)的verticaltypeVERT立式vibrationVBRT振动viceVICE副voltageVOLT电压voltageloopVOLTLOOP电压回路WallWALL墙walltemperatureWALLTEM壁温washWASH清洗waterWTR水waterboxWTRBOX水箱watercollectorWTRCLCT集水箱watercurtainWTRCURTAIN水幕waterlevelWTRLVL水位WaterpumpWTRP水泵WatersealWTRSEAL水封watertreatmentWTRTRMT水处理waterwallWTRWALL水冷壁water-supplyWTRSPL上水wholedayWHLDAY全天wholeplantWHLPLNT全厂WindboxWINDBOX风箱windingWND绕组withcoalWCL有煤workingWORK工作WorkshopWORKSHOP厂房wornoutWNUT磨损YearYR年