vibration standard exciter,標准振動台

vibration test,振動試驗

vibration transducer [sensor],振動傳感器

vibrational severity,振動嚴酷度

vibrator,振動器

vibrator galvanometer,振動檢流計

vibrometer,振動計

Vickers hardness number,維氏硬度值

Vickers hardness penetrator,維氏硬度壓頭

Vickers hardness tester,維氏硬度計

videometer,視程儀

virtual image,虛象

virtual image mass spectrometer,虛象質譜計

virtual memory,虛擬存儲

viscometer,粘度計

viscosity,粘度

viscosity balance,粘度天平

viscosity transducer [sensor],粘度傳感器

visibility,能見度

visibility marker,能見度目標物

visibility meter,能見度儀

visibility object,能見度目標物

visible function,視見函數

visible light transducer [sensor],可見光傳感器

visible magnetic particle,非熒光磁粉

visible radiation,可見光輻射

visible spectral remote sensing,可見光遙感

visual axis,視軸

visual range,視程

visual range meter,視距測定儀

voltage amplifier,電壓放大器

voltage center,電壓中心

voltage circuit,電壓電路

voltage constant,電壓常數

voltage controlled gate （VCG）module,電壓控制門組件

voltage-dependent resistor,電壓敏電阻器

voltage divider,分壓器

voltage divider with auxiliary branch circuit,具有輔助支路的分壓箱

voltage error,電壓比值差

voltage matching transformer,電壓匹配互感器

voltage ratio,電壓比

voltage ratio of a capaitor divider,電容器式分壓器的電壓比

voltage-regulation coefficient,穩壓系數

voltage-second calibrator,伏秒定標器

voltage sensitivity,電壓靈敏度

voltage stabilized thermistor,穩壓熱敏電阻器

voltage transducer [sensor],電壓傳感器

voltage transformer,電壓互感器

voltammetry,伏安法

volt-ammpere meter,視在功率表

volt-ampere-hour metr,視在功率電度表；伏安時計

voltmeter,電壓表

volume conductive humidity transducer [sensor],体電導式濕度傳感器

volume flow,体積流量總量

volume flow-rate,体積流量

volume of the chamber,試驗箱容積

volume thermodilatometry,体膨脹法

volume viscosity,体積粘度

volumetric chromatography,体積色譜法

volumetric flowmeter,容積式流量計

volumetric method,容積法

volumetric water meter,容積式水表

vortex flow transducer [sensor],渦街流量傳感器

vortex flowmeter,旋渦流量計

vortex precession flowmeter,旋渦進動流量計

vortex shedding flow transducer,渦街流量傳感器

vortex-shedding flowmeter,渦街流量計

W-cathode,W-陰极

wading rod,測流標杆

wait byte,等待字節

wake oscillator,尾流振蕩器

wall mounting (pressure) gauge,牆裝壓力表

wall (pressure) tapping,管壁取壓口

wall-coated open-tubular column;WCOT column,涂壁空心柱

warm-up period,預熱期

warm-up time,預熱時間

washing station,清洗裝置

watchdog timer,監視時鐘

water colour,水色

water equivalent of snow,雪水當量

water gauge level,水尺高程

water meters,水表

water quality analyzer,水質分析儀

water quality indicator buoy,水質監測浮標

water quality monitoring system,水質監測系統

water spray test,噴淋試驗

water vapour,水汽

water vapour proof packaging,防潮包裝

water washable dye penetrant testing method,水洗性著色滲透探傷法

water washable fluorescent penerant testing method,水洗性熒光滲透探傷法

water washable penetrant,水洗性滲透液；自乳化性滲透液

waterproof instrument,防水式儀器儀表

waterproof packaging,防水包裝

waterproof solenoid valve,防水型電磁閥

waterproof type strain gauge,防水應變計

watertight instrument,水密式儀器儀表

watt-hour meter,瓦時計

wattmeter,功率表