vconnectionv形結線vcurvev形曲線vcurvecharacteristicv形曲線特性vicharacteristic伏安特性vacuum真空vacuumarrester真空避雷器vacuumcapacitor真空電容器vacuumcircuitbreaker真空斷路器vacuumcleaner吸塵器vacuumdryingoven真空干燥爐vacuumevaporator真空蒸發器vacuumfurnace真空爐vacuumgage真空計vacuumimpregnation真空浸漬vacuumlamp真空燈炮vacuumlightningprotector真空避雷器vacuumoven真空爐vacuumpump真空泵vacuumseal真空密封vacuumthermocouple真空熱電偶vacuumtube電子管vacuumtubeelectrometer真空管靜電計vacuumtubevoltmeter電子管電壓表vacuumvalve電子管vah伏安時valence原子價valency原子價validitycheck有效性檢查valley最小值valuation評價value數值valve閥valveaction活門酌valvecapacity閥容量valvecharacteristic閥特性valvecontrolservomotor閥可控伺服電機valveelectrometer真空管靜電計valveposition閥位置valvepositioner閥位置控制器valvetester電子管試驗器valvetypearrester閥式避雷器valvevoltmeter電子管電壓表vandegraaffgenerator范德格拉夫起電機vane翼片vanetyperelay扇形繼電器vapor蒸汽vaporpressure蒸汽壓力vaportemperaturecontrol蒸氣溫度控制vaportension蒸汽壓力vapourpressure蒸汽壓力var乏varhourmeter乏時計variableautotransformer可變自耦變壓器variablecapacitancetransducer可變電容傳感器variablecapacitor可變電容器variablecapacity可變電容variablecoefficient可變系數variablecommandcontrol可變指令控制variablecosts可變費用variablecoupling可變耦合variabledelay可變延遲variableerror可變誤差variableexcitation可變勵磁variablefield可變場variablefrequencydrive可變頻率驅動variableinductance可變電感variableintermittentduty變載斷續工捉式variablelosses可變損耗variablemodulation可變燈variableparameter可變參數variablereactor可變電抗器variableresistor可變電阻器variablespeedmotor變速電動機variablespeedservomotor變速伺服電動機variabletemporaryduty變載短時工作variabletransformer可變比變壓器variablevaluecontrol跟蹤控制variablevoltage可變電壓variablevoltagecontrol變壓蒂variablewiredresistor可顛繞電阻器variance方差varianceofvoltagedeviation電壓偏移分散variation變化variationalmethod變分法variometer可變電感器varistor變阻器varmeter無功功變計varnish漆varnishedcable漆絕緣電纜varnishedcambricinsulation浸漆黃蛐苯絕緣varnishedcloth漆布varnishedinsulation漆絕緣varnishedsilk浸漆絲varnishedsilktape浸漆綢帶varyingspeedmotor變速電動機vector矢量vectordiagram矢量圖vectorfield矢量場vectorgroupoftransformer變壓聘量組vectorgroupsymboloftransformer變壓聘量組符號vectorpotential矢位vectorpotentialfield矢位場vectorpower矢量功率vectorprocessor向量信息處理機vectorproduct叉積vectorialanalysis矢量分析vehicle車velocity速度velocitydiagram速度圖velocitydistribution速度分布velocitydistributionfunction速度分布函數velocityerror速度誤差velocityerrorconstant速度誤差常數velocityhead臨水頭velocitymodulation速度燈venthole排氣孔ventilatedmotor通風式電動機ventilatingducts通風溝ventilatingfan風扇ventilation通風ventilationduct通風道ventilationloss通風損失ventilator通風機venturimeter文丘里量計venturitube文丘里量計vernier游標vernieradjustment微調verniercapacitor微電容器verniercondenser微電容器vernierdial微動度盤vertex頂vertical垂直的verticalillumination垂直面照度verticalload垂直負載verticalmagnet上升磁鐵verticalredundancycheck垂直冗余校驗verticalrun垂直敷設verticalseparation垂直線間距離verticalshaftgenerator立軸式發電機verticalshaftmotor立軸式電動機verticalshaftwaterturbine立軸式水輪機verticalspacing垂直線間距離verticaltabulationcharacter垂直制表字符veryhighfrequency甚高頻verylowfrequency甚低頻vessel容器vibratingreed振動片vibratingreedelectrometer振簧靜電計vibratingreedfrequencymeter振簧式頻率計vibratingreedinstrument振簧儀表vibratingreedrelay振動式繼電器vibratingregulator振動式第器vibratingtypevoltageregulator振動式電壓第器vibration振蕩vibrationabsorber振動衰減器vibrationdamper振動衰減器vibrationfrequency振動頻率vibrationgalvanometer振動式檢療vibrationmeter測振計vibrationnode振動節點vibrationperiod振動周期vibrationstrength振動強度vibrationsuppressor振動衰減器vibrationtest振動試驗vibrationalenergy振動能量vibrator振子vibratoryviscosimeter振動粘度計vibrograph振動記錄儀vibrometer測振計vice緊線器vickershardness維氏硬度video影象videofrequency視頻videonoise視頻噪聲videosignal圖象信號vidicon光導攝象管vinylchloride氯乙烯vinylresin乙烯基尸virtualdevice虛擬裝置virtualmachine虛擬計算機virtualpage虛擬頁面virtualstorage虛擬存儲viscometer粘度計viscosimeter粘度計viscosity粘度viscousdamping粘性阻尼visibility可見度visibilitycurve可見度曲線visiblerays可見光線visualcorona可見電暈visualphotometer目測光度計visualphotometry視覺測光visualsignal可見信號visualtuning視覺蝶vitreous玻璃狀的voicefrequency音頻void空隙volcanothermicpowerplant地熱發電廠volt伏特voltampere伏特安倍voltamperecharacteristic伏安特性voltamperehour伏安時voltamperehourmeter伏安時計voltamperemeter伏安計voltamperereactive乏voltbox分壓器voltaeffect伏打效應voltage電壓voltageadjuster倒器voltageadjustment電壓第voltageamplification電壓放大voltageattenuation電壓衰減voltagebalance電壓平衡voltagebalancerelay電壓平衡繼電器voltagebetweenlines線間電壓voltagebetweenphases相間電壓voltagebuildup電壓上升voltagecircuit電壓電路voltageclass電壓等級voltagecoil電壓線圈voltagecommutation電壓整流voltagecontrol電壓第voltagecurve電壓曲線voltagedetector電壓檢測器voltagedeviation電壓偏移voltagediagram電壓線圖voltagedifferentialrelay電壓差動繼電器voltagedirection電壓極性voltagedirectionalrelay極向繼電器voltagedivider分壓器voltagedoubler倍壓器voltagedrop電壓降voltagedropmethod降壓法voltagefluctuation電壓波動voltagegradient電壓梯度voltagejump電壓跳變voltagelimiter限壓器voltageloss電壓損耗voltagemeasurement電壓測量voltagemeasuring電壓測量voltagenegativefeedback電壓負反饋voltagephasor電壓相量voltageprotection電壓保護裝置voltagepulsation電壓脈動voltagepulse電壓脈沖voltagerange電壓范圍voltagerating電壓額定voltageratio電壓比voltagerecorvery電壓恢復voltagerecoveryrate電壓恢復速度voltageregulation電壓變動率voltageregulator倒器voltagerelay電壓繼電器voltageresonance電壓諧振voltagerise電壓升高voltagestabilization電壓穩定voltagestabilizer電壓穩定器voltagestandard電壓標準voltagestep電壓等級voltagesurge電壓沖擊voltagesystem電壓制voltagetester電壓檢測器v