編號：時間：2021年x月x日書山有路勤為徑，學海無涯苦作舟頁碼：第頁汽車縮略語詞典*CDegreesCelsius攝氏度*FDegreesFahrenheit華氏度*D*Drive驅動,駕駛,行駛,行車*N*NeutralPosition空檔*P**PARK*PositionP檔,停車檔*P**PARK*PositionP(駐車)檔位置O2Oxygen氧氣2WDTwo-WheelDrive兩輪驅動4WDFour-WheelDrive四輪驅動4WSFour-WheelSteering四輪轉向AAA-post,A-pillarA柱AAmperes安培,電流A*Amper*Ammeter*Advance*安培*電流表*提前A.I.R.AirInjectionReactor空氣噴射反作用器A.M.Above-Mentioned上述的A/CAirConditioning空調A/CA/CAmplifie空調放大器A/CCLTCH.A/CClutch空調離合器A/CLAirCleaner空氣濾清器A/CL-BMAirCleanerBimetalSensor空氣濾清器雙金屬傳感器A/CL-CWMAirCleanerColdWeatherModulator空氣濾清器低溫調節器A/CL-DVAirCleanerDuctValveVacuumMotor空氣濾清器導管閥真空馬達A/CL-TSOVAirCleanerTemperatureSensorOverrideValve空氣濾清器溫度傳感器超壓閥A/CL-VCDAirCleanerVacuumControlDelay空氣濾清器真空延遲控制A/CL-VCVAirCleanerVacuumControlValve空氣濾清器真空控制閥A/CL-VMAirCleanerVacuumMotor空氣濾清器真空馬達A/FAir-FuelRatio空燃比A/TAutomaticTransaxleOrTransmission自動變速箱AAAutomobileAssociation(UK)英國汽車協會AAAAmericanAutomobileAssociation美國汽車協會AACAuxiliaryAirControl輔助空氣控制AACAutomaticAmplitudeControl自動振幅控制AACVAuxiliaryAirControlValve輔助空氣控制閥AADAuxiliaryAirControlDevice輔助空氣裝置AAEAmericaAssociationofEngineers美國工程師協會AAMVMAmericanAssociationofMotorVehicleManufacturers美國汽車制造者協會AAPAuxiliaryAcceleratorPump輔助加速器泵AAPAuxiliaryAcceleratingPump輔助加速泵AAPAmbientAbsolutePressure外界絕對壓力AASAspiratorAirSystem吸氣（真空）控制系統AASAutoAdjustSuspension自動調節懸掛AASAirAdjustScrew空氣調整螺絲AASAmericanAstronauticalSociety美國宇宙航行學會AASAirAdjustScrew空氣調節螺釘AASHTOAmericanAssociationofStateHighwaysandTransportationOfficials美國各州公路及運輸公務員協會AAVAntiAfterburnValve防止后燃閥ABAirBleed空氣泄放ABAAirBleedActuator空氣排放執行器（電磁閥）ABCVAirBleedControlValve空氣泄放控制閥ABDCAfterBottomDeadCenter在下止點后ABGAlcoholBlendedGasoline摻酒精的汽油ABNAirborneNoise空氣傳播的噪音ABPAirBrakeProportioing(valves)空氣制動比例分配(閥)ABRSAirBagRestraintSystem安全氣囊ABSAltitudeBarometricSwitch高度（海拔）氣壓開關ABSAnti-LockBrakeSystem防鎖剎車系統,防抱剎車系統,反鎖定剎車系統ABSAmericanBureauofStandards美國標準局AbsAbsolute絕對的ABSViscAbsoluteViscosity絕對粘度ABSVAirBypassSolenoidValve空氣旁通電磁閥ABV*AntiBackfireValve*AirBypassValve*防止逆火閥*空氣旁通閥ABVAirBypassValve空氣旁通閥ABVAnti-BackfireValve防回火閥ACAirCondition空調ACAlternatingCurrentGenerator交流發電機AC*AlternatingCurrent*AfterContro*交流電*后段調整式ACACAuxiliaryFanRelay空調輔助風扇繼電器ACACCompressorSafetySwitch空調壓縮機安全開關ACACCondenserBlowerMotorRelay空調冷凝器鼓風馬達繼電器ACACControlUnit空調電腦盒ACACDiode空調二極管ACACEvaporatorMotorRelay空調蒸發馬達繼電器ACACEvaporatorPumpLineFuse空調蒸發泵保險絲ACACHighPressureSafetySwitch空調高壓安全開關ACACIdleBoostValve空調怠速加壓閥ACAlternatingCurrent交流電ACAnteChristum公元前ACAccumulator蓄電池,儲壓器ACAcid酸ACAnalogueComputer模擬計算機ACAutomaticControl自動控制ACAir-Cooled空冷ACArmoredCar裝甲汽車ACAdaptiveControl自適應調節ACAerodynamicCenter空氣動力中心ACAirCooling風冷,空氣冷卻,氣冷ACAirCycle空氣循環ACAutomaticClutch自動離合器ACCA/CClutchCompressor空調壓縮機ACCAirConditioningClutch空調離合器ACCAirConditioningClutchSwitch空調離合器開關ACCAutomaticClimateControl電腦恒溫控制ACC*Accessary*AltitudeCompensationCarb*附件*高度補償化油器AccelAccelerator油門,加速踏板,加速泵ACCSA/CClutchCyclingSwitch空調離合器循環開關ACCSAirConditoningCyclingSwitch空調循環開關AccumAccumulator蓄壓器ACCWMAirCleanerColdWeatherModulator空氣濾清器低溫調節器AccyAccessory附件ACDAuxiliaryControlDevice輔助控制裝置ACDAirConditioningDemand空調作用指令ACDAirConditioningDemandSwitch空調需求開關ACDVAirCleanerDiverterValve空氣濾清器分流閥ACEAirConditioningEquipment空氣調節設備ACEAutomaticCheckEquipment自動檢測設備ACEAutomaticComputingEquipment自動計算裝置ACEAirConditioningEquipment空調設備ACGAlternatingCurrentGenerator交流發電機ACGAutomaticControlGear自動控制變速ACIDTESTCYC-LEAcceleration,Cruise,Idle,DecelerationTestCycle加速.穩速.怠速.減速試驗循環ACISAcousticControlIductionSystem聲控進氣系統AckAcknowledge承認ACKVAirCheckValve空氣止回閥ACLAirClearner空氣濾清器ACLAutomaticChassisLubrication自動底盤潤滑系統ACMAdvancedCompositeMaterials高級復合材料ACONAirConditioningOn空調起動ACPAirConditioningPressure空調壓力ACPAuxiliaryControlPanel輔助操縱儀表板ACRSAirCushionRestraintSystem氣墊型保護裝置ACSAirConditioningSystem空調系統ACS-OAccessOpening檢修孔ACTAirChargeTemperature進氣溫度ACTAirChargeTemperatureSensor進氣溫度傳感器ACTEAutomaticCheckoutTestEquipment自動檢測裝置ActuActuator執行器ActvActive活動的ACVAirControlValve空氣控制閥ACVAirCutValve斷氣閥ACVArmoredCommandVehicle裝甲指揮車ACVAirControlValve二次空氣噴射量控制閥ADAnnoDomini公元ADAerodynamicDecelerator氣動減速器ADCAnalog-DigitalConverter模-數轉換器ADDAddition*添加*補充ADECSAutomotiveDieselElectronicControlSystem汽車柴油機電子控制系統ADFAerodynamicDragFactor空氣阻力系數AdjAdjustorAdjustable調整或可調整ADLAutomaticDoorLock自動門鎖ADPAir-DrivenHydraulicPump氣動液壓泵ADSAdaptiveDamperSystem可變阻尼力避震系統ADVWiperPressureControl雨刷片壓力控制裝置AdvAdvance提前的AEAccelerationEnrichment化油器加速時混合氣濃度AEAcousticEmission有害聲響排放AEAAutomotiveElectricalAssociation(US)美國汽車電氣協會AECAutomotiveEmissionControl汽車排氣控制AECDAuxiliaryEmissionControlDevice輔助排放控制裝置AEIAfterEndofInjection噴射結束后AERAAutomotiveEngineRebuildersAssociation(US)美國汽車引擎修護協會AESCAmericanEngineeringStandardsCommittee美國工程標準委員會AETSAutomaticEngineTestSystem發動機自動測試系統AFAir-FuelRatio混合氣的空氣燃油比AFAuxiliaryFuel輔助燃料AFCAirflowControlled空氣流量控制AFCAirflowControlledFuelInjection空氣流量控制燃料噴射AFCAirFuelControl空氣燃油混合比調節裝置AFCAutomaticFrequencyControl自動頻率調節AFCAirflowControl空氣流量控制AFCOAutomaticFuelCutoff自動斷油裝置AFCVAirFuelRatioControlValve空燃比控制閥AFEAutomobileFuelEconomy汽車燃油經濟性AFERAir-FuelEquivalenceRatio燃油過量系數AFRAir-FuelRatio空氣燃油混合比AFSAirflowSensor空氣流量傳感器AFSAuxiliaryFuelSupplySystem輔助供油系統AGAirGuard空氣護罩AGOAutomotiveGasOil汽車用油AGTAutomotiveGasTurbines汽車用燃氣輪機AGVAutomaticGuidedVehicle自動導向車輛AGVSAutomaticGuidedVehicleSystem車輛自動導向系統AHAmperHour安培小時AHFSSAirConditionig/HeaterFunctionSelectSwitch空調/暖氣功能選擇開關AIAirInjection空氣噴射AICVAirInjectionCheckValve空氣噴射單向閥AIDAirInjectionDual雙空氣噴射AIRAirInjectionReaction二次噴氣裝置AIRAirInjectorReactor二次空氣噴射器AIRBPVAirBypassValve空氣旁通閥AIRCONDRLYAirConditionerRelay空調繼電器AIRCONDSIGAirConditionerSingnal空調信號AirSelAirSelector空氣選擇器AIR-CHVAIRCheckValve空氣單向閥AIR-DVLVAIRDiverterValve空氣分流閥AIR-IVVAIRIdleVacuumValve進氣怠速真空閥AISAirInjectionSingle單空氣噴射AISAirInjectionSystem二次噴氣裝置AISAutomaticIdleSpeed自動怠速AIVAirInjectionValve空氣噴射閥AIVVAIRIdleVacuumValve空氣怠速真空閥AKIAnti-KnockIndex抗爆震指數ALAccelerationLevel加速度級ALCAutomaticLevelControl汽車后懸掛自動高度控制ALCLAssemblyLineCommunicationLink診斷總線ALDLAssemblyLineDiagnosticLink自我診斷接線總成ALDLAssemblyLineDataLink自我診斷線AliAlignment校正,定位AlmAlarm警報器ALRAutomaticLockingRetractor安全帶自動鎖定裝置ALRAutomaticLengthAdjustingandLockingRetractor自動長度調節和鎖緊式伸縮裝置ALRAutomaticLockingRetractor自動鎖緊式伸縮裝置AltAlternatororAltitude發電機,高度AltAlternator交流發電機ALUArithmeticandLogicalUnit算術及邏輯單位AMAmplitudeModulation調幅AmbAmbient周圍的AMCAmericanMotorsCorporation美國汽車公司AMGVAirManagementValve空氣控制閥AmmAmmeter電流表AmpAmplifier放大器AmpAmpere安培ANAbove-Named上述的ANAnnual年度的ANAnode陽極ANCActiveNoiseControlSystem活性噪音控制系統ANLAutomaticNoiseLimiter噪聲自動限制器ANSAnswer答案ANSIAmericanNationalStandardsInstitute美國國家標準局AntAntenna天線ANTBVAnti-BackfireValve防回火閥Anti-DslAnti-Diesel防止後燃（熄火後）AOAirOperated氣動的AOCAirOilCooler機油空氣冷卻器AOCAutomaticOverloadControl自動超載控制AODAutomaticOverdrive自動超速AOQAverageOutgoingQuality平均產品質量AOTAutomaticOverdriveTransmission超速式自動變速器APAirPump氣泵APCAutomaticPhaseControl自動相位調整APCAutomaticPowerControl自動功率調整APCAutomaticProgramControl自動程序控制APCArmoredPersonnelCarrier裝甲人員輸送車APCAutomaticPerformanceControl自動性能控制系統APCVAirPumpControlValve空氣泵控制閥APDVAirPumpDiverterValve空氣泵分流閥APIAmericanPetrolInstitude美國石油協會AppApparatus儀表.器件.設備AppAppendix附錄AppApprovedby經...批準,批準人ApproxApproximation近似.略計AprApprentice學徒,徒工APRAAutomotivePartsRebuildersAssociation(US)美國汽車零件再制協會APREVLVAirPumpReliefValve空氣泵減壓閥APUAuxiliaryPowerUnit輔助動力設備AQAqua(Water)*水*水柱ARAirRegulator空氣流量調節器ARAxleRatio驅動軸減速比ARCAccelerationSignal加速信號ARQAutomaticErrorRequestEquipement自動誤差校正裝置ARVArmoredRecoveryVehicle裝甲搶救車ASAirflowSensor空氣流量傳感器ASAmericanStandard美國標準ASAirSuction進氣ASAutomaticSynchronizer自動同步器ASAAmericanStandard(s)Association美國標準化協會ASAAcousticalSocietyofAmerica美國聲學學會ASCAutomaticStabilityControl電腦控制穩定裝置ASCDAutoSpeedControlDevice自動速度調節裝置ASCPSAirSwitchCanisterPurgeSolenoid空氣切換碳罐塞電磁閥ASCPTAirSwitchCanisterPurgeTimer空氣切換碳罐塞定時器ASDAutoShutDown自動切斷ASDMAirBagSystemDiagnosticModule安全氣囊系統診斷模塊ASDVAirSwitchingDiverterValve空氣轉換分流閥ASEAutomaticStabilizationEquipment自動穩定裝置ASISAbortSensingandImplementationSystem緊急故障傳感及處理系統ASISAmericanSocietyforIndustrialSecurity美國工業安全協會ASLAboveSeaLevel海拔高度AsmAssembly總成ASMEAmericanSocietyofMechanicalEngineers美國機械工程師協會ASQCAmericanSocietyforQualityControl美國品管協會ASRVAirSwitchingReliefValve空氣轉換減壓閥ASSAirSwitchingSolenoid空氣轉換電磁閥ASSAirSuctionSystem進氣裝置AssAssembly總成,裝配,機組AssAssistant輔助的,助手,幫手AssAssociation學會,協會.公司AssyAssembly總成ASTMAmericanSocietyforTestingandMaterials美國材料試驗協會ASVAirSwitchingValve空氣轉換閥ASVAirSuctionValve進氣閥ASVAirSwitchingValve空氣轉換閥,空氣開關閥ASVSAirSwitchingVacuumSolenoid空氣轉換真空電磁閥ATAcceptanceTest驗收試驗ATAirTemperature空氣溫度ATAmpereTurn安培匝數ATAngleofTrain方位角.方向角.傳導方位ATAutomaticTransmission自動變速器AT.AirTight氣密的,密封的At.Atmosphere大氣.周圍情況.大氣壓ATCAutomaticTemperatureControl自動溫度控制ATCAfterTopCenter在上止點后ATCAutomaticTemperatureControl溫度自動控制器ATCAutomaticTimingCorrector自動正時器ATDCAfterTopDeadCenter在上止點后ATFAutomaticTransmissionFluid自動變速箱油AtmAtmosphere氣壓ATMAutomaticTransmission自動變速箱ATMActuatorTestModes測試模式ATOAutomaticTrainOperation自動列車駕駛裝置ATSAirTemperatureSensor進氣溫度傳感器ATSAutomaticTrainStopper自動列車停止裝置ATTAttenuation減少,阻尼ATVAbovetheThrottleValve在節氣門上方ATXAutomaticTransaxle帶自動變速器的前輪驅動AUTOAutomatic自動的AuxAuxiliary輔助的AVAirValve空氣閥AvgAverage平均值AVOMAnalogVolt-OhmMeter指針式三用電表AVSVAirVentSolenoidValve通氣電磁閥AWDAirWarningDevice空氣警示裝置AWDAllWheelDrive四輪驅動AWPAverageWorkingPressure平均工作壓力AWPAwaitingParts維修用備件AXODAutomaticOverdriveTransaxle自動變速箱超速器AZSAutomaticZeroSet自動調零BBB-pillarB柱BB-postB柱B+BatteryPositiveVoltage電瓶正電壓B/PEGRBackPressureTransducerEGR負壓傳感器B/PBackpressure背壓B/SBore-to-StrokeRatio缸徑行程比B/SBillofSale出售清單B/UBack-Up備用,倒車(燈)BA(cylinder)BoreArea氣缸孔面積BABumpertoCenterLineoftheFrontAxle保險杠至前軸中心距離BACBy-PassAirControl旁通空氣控制BACVBypathAirControlValve旁通控氣閥BANK1InjectorBank#1第1排噴油咀BANK2InjectorBank#2第2排噴油咀BANK3InjectorBank#3第3排噴油咀BAPBarometricAbsolutePressure大氣絕對壓力BapSensBarometricAbsolutePressureSensor大氣絕對壓力傳感器BAROBarometricPressure大氣壓力BaroBarometric大氣BARO.Barometric氣壓(計)BattBattery電瓶電池BAVBleedAirValve泄氣閥BBBabbitMetal巴氏合金BBDCBeforeBottomDeadCenter在下止點前BBL.Barrel筒BBSBuildingBlockSystem積木式系統BCBeforControl前段控制BCCBatteryChargerControl電瓶充電控制BCDDBoosterControlDecelerateDevice倍力控制減速裝置BCMBodyControlModule車體控制模塊(車體電腦)BCVBoostControlValve真空控制閥溢油控制閥(三菱)減速節氣閥(鈴木)BCVBoosterControlValve倍力控制閥BCVBoostControlValve強制怠速時節氣門開度控制閥BCVBoostControlValve(鈴木,三菱)強制怠速工況進氣管真空控制閥BDCBottomDeadCenter下止點.下死點BDVBreakdownVoltage擊穿電壓BEBanchelorofEngineering工學士BEBaume玻美度BEBoosterEngine助推發動機BEBestEconomy最佳經濟性BEIBreakerlessElectronicIgnition無白金式電子點火BESABritishEngineeringStandardAssociation英國工程標準協會BFCBrakeForceCoefficient制動力系數BFLIBrakeFluidLevelIndicator制動液液面指示器BHPBrakeHorsepower制動馬力BHSBimetalHeatSensor雙金屬熱傳感器BiMetBiMetallicAirTemperatureControlSensor雙金屬進氣溫控傳感器BICERIBritishInternalCombustionEngineResearchInstitute英國內燃機研究所BITBestInjectionTiming最佳噴油正時BKBrakeSwitch剎車開關BkBack背部,後面,倒退,襯里BkRestBackRest椅背,後支架BLKBlack黑色BLRBlower鼓風機BLRBeyondLocalRepair本地不能修理BlstBallast穩壓(電阻)BLUBlue藍色BlwrBlower鼓風機BMBenchMark基準點BMBreakdownMaintenance故障維修BMBreakeElectromagnet制動電磁鐵BMBrakdownMaintenance故障維修BMAPBarometricandMainfoldAbsolutePressure大氣進氣歧管絕對壓力BMEPBrakeMeanEffectivePerssure平均制動有效壓力BNHBurnish拋光.精加工.燒藍BOCBuick,Oldsmobile,CadillacGroup別克-奧茲莫比爾-凱迪萊克集團BOOBrakeOn-OffSwitch制動開關BPBackPressure背壓.反壓BPBarometricPressure氣壓BPBoilingPoint沸點BPBestPower最佳功率BPABypassAir旁通空氣BPCBackPressureControl背壓控制BPOBypassOrifice旁通口BPSBarometricPressureSensor大氣壓力傳感器BPTBackpressureTransducer背壓轉換器BPVBy-PassValve旁通閥BrBromine溴BrBrass黃銅BrkrBreaker斷電器BRNBrown棕色BSBarometricSwitch大氣壓力開關BSBimetalSensor雙金屬傳感器BSBachelorofScience理工學士BSBinaryScale二進位BSBothSides兩邊.兩側BSBritishStandards英國(工業)標準BSAUBritishStandardsAutomotive英國汽車標準BSCENGBachlorofScienceinEngineering工學士BSFCBrakeSpecificFuelConsumption制動油耗率,制動單位油耗量BSIBritishStandardsInstitute英國標準局BTCBritishTechnicalCounciloftheMotorandPetroleumIndustries英國汽車及石油工業技術中心BTDCBeforeTopDeadCenter在上止點前BTHEBrakeThermalEfficiency制動熱效率BTRYBattery蓄電池BTUBritishThermalUnits英國熱量單位BTVBelowtheThrottleValve在節氣門下方BUDCBoforeUpperDeadCentre上死點前BULKHD.Bulkhead隔壁BuzBuzzer蜂鳴器BVBowlVentPort浮桶室通風孔BVBreakdowmVoltage擊穿電壓BVBalancedVoltage平衡電壓BVSVBimetallicVacuumSwitchingValve雙金屬式真空轉換閥BVTBackPressureVariableTransducer負壓可變傳感器BVVBowlVentValve浮筒室防溢油通氣閥BYPBypass旁路,支線BYPABypassAir(IdleSpeedControl)旁通空氣(怠速控制)CCCelcius攝氏CC-PillerC柱CCall呼叫CCandle燭光CCapacitance電容CCar汽車CCarbon碳CCathode陰極CCelsiusScale攝氏溫標CCoulomb庫侖C*Celcius攝氏度C&MCareandMaintenance維修及保養C-4ComputerControlledCatalyticConverter電腦控制觸媒轉換器C.CANICharcoalCanister碳罐C.E.CheckEngine引擎故障燈C.G.CenterofGravity重心C/OCheckout檢查,調整,測試C/OChokeOpenner阻風門強制開啟閥C3IComputerControlledCoilIgnition電腦控制線圈點火C4ComputerControledCatalyticConverter電腦控制觸媒轉換器CACalcium鈣CACompressedAir壓縮空氣CACrankAngle曲軸轉角CABRCabriolet敞蓬車CACChargeAirCooler進氣冷卻器CACSComprehensiveAutomobileControlSystem汽車綜合控制系統CACVCombinedAirControlValve組合空氣控制閥CADComputer-AidedDesign計算機輔助設計CAEComputerAidedEnginering電腦輔助工程CAFECorporateAverageFuelEconomy美國汽車制造廠采用的平均油耗CALCalorie卡路里CALCalculatedAverageLife(汽車等的)平均計算壽命CALCaliber口徑CALCalibrate校定,校正CALCollisionAvoidanceLight防撞燈CAL-PACCalibrationPackage校正用套裝軟體CalibCalibration校正,修正,定位CalifCalifornia加州規格車CalifCalifornia加州CALSELCalibrationSelect校正選擇CAMCamber外傾角CAMCamshaft凸輪軸CAMComputerAidedManufacturing電腦輔助制造CanCanaba加拿大CanCanister碳罐CanPrgCanisterPurge碳罐塞Can.PrgCanisterPurge碳罐凈化Canc.Cancel取消CanCVCanisterControlValve碳罐控制閥CANPCanisterPurgesolenoid碳罐清除電磁閥CANPCanisterPurge碳罐凈化,濾筒凈化CAPCapacity*容量*能力CAPCleanerAirPackage凈化空氣裝置CapCapacitororCapacity電容器或電容量CARBCaliforniaAirResourcesBoard加州空氣資源協會CarbCarburetor化油器CASCaster后傾角CASClearAirSystem凈化空氣系統CATCarburetorAirTemperature化油器空氣溫度CATCatalogue目錄CATCatalyst催化劑CATCategory種類.范疇CATCarburatorAirTemproture化油器空氣溫度CatCatalyticConverter觸媒轉換器CAVConstructionAssistanceVehicle建筑輔助運輸車輛CAVCoastingAirValve強制怠速空燃比控制閥CBCircuitBreaker電路斷電器CBChokeBreaker阻風門限制器CBContactBreaker斷電器CBECabBehindEngine駕駛艙在引擎后方式CBVVCarburetorBowlVentValve化油器浮子室通氣閥CCCubicCentimeters立方厘米CCCruiseControl定速控制,巡行控制CCCatalyticConverter觸媒轉化器CCConverterClutch扭力轉換器離合器CCCComputerCommandControl電腦指令控制CCCSComputerControlledCoolingSystem電腦控制冷卻系統CCDComputerControlDwell電腦控制點火閉角CCEGRCoolantControlledExhaustGasRecirculation冷卻劑控制廢氣再循環CCEVSCoolantControlEngineVacuumSwitch冷卻水溫控制引擎真空開關CCEVVCoolantControlEngineVacuumValve冷卻水溫控制引擎真空閥CCIVCoolantControlIdleEnrichmentValve卻水溫控制怠速增濃閥CCMCentralControlModule中央控制模塊(中央電腦)CCOCatalyticConverterforOxidation氧化觸媒轉換器CCOTC