常見例句TESTING METHOD FOR MACHINE BRUSH IN SPARKLESS ZONE 電機用電刷無火花區(qū)測試方法Keywords ozoniferous equipment;sparkless discharge; 臭氧發(fā)生器;無聲放電;The Dispersion of Sparkless Space for DC Motor with the Wide Adjustable Speed Ratio 寬調(diào)速比直流電動機無火花換曏區(qū)曲線的分散性sparkless breaking 無火花斷路sparkless commutation 無電花整流 返回 sparkless