Direct acting indicating analogue electrical measuring instruments and their accessories . part 3 : special requirements for wattmeters and varmeters 直接动作指示模拟电气测量仪器及其附件.第3部分:瓦特功率表和无功表的特殊要求
Direct acting indicating analogue electrical - measuring instruments and their accessories - part 3 : special requirements for wattmeters and varmeters ; amendment 1 直接动作指示模拟电气测量仪器及其附件.第3部分:瓦特功率表和无功表的特殊要求.修订件1
无功: idle; idle work表: outside; surface; external测功表: ergometer无功: [电学] idle; idle work无功的: idle; reactive; wattless无功伏: reactive volt无功计: varmeter无功量: reactive value无功能: non-function无功分量无功部分: reactive component非无功伏安: non reactive volt amperes; non-reactive voltamperes感性(无功)分量: inductive component记忆无功能: memory no function劳而无功: toil with no gain; a fruitless attempt; all one's efforts came to naught.; exert oneself to no purpose; labour lost; lost labour; make futile efforts; much cry and little wool; toil in vain; work hard but to no avail落空;徒劳无功: draw a blank闪断无功能: flash no function师老无功: troops fighting for a long time without success徒劳无功: prove futile; beat the air; be a wasted effort; burn daylight; carry coals to new castle; catch shadows; catch the wind in a net; come to naught; draw water in [with] a sieve; end in smoke; fish in the air; flog a dead horse; hold a candle to the sun; labor to no purpose; make a futile effort; make useless trouble; milk a hegoat; much ado about nothing; not to succeed after trying hard; paint the lily; plough [sow] the sands; plow the wave; use [exert] vain efforts; wasted effort; work in vain; work to no avail无功报德: have no way of returning sb.'s gratitude无功补偿: reactive compensation; reactive power compensation无功补偿器: svc无功不受禄: no gains without pains无功部分: idle component; imaginary component; reaction component; reactive component; wattless component无功部份: wattless component无功成分: idle component