Current Transformer Polarity  CT极性

Current Polarity  电流极性

current polarity comparison method  电流极性比较法

current polarity comparison relay  电流极性比较继电器

CURRENT POLARITY DETECTION  电流极性检测

mean-value of DC bus current polarity  直流母线电流极性平均值

polarity in aggregate  簇集体内的极性

polarity in metasomatism  交替中的极化性

polarity of current transformer  TA极性

TV transformer polarity  电压互感器极性

accounting profession in secondary vocational schools  公交优先

additional losses of circulating current in the winding  绕组环流附加损耗

axial force of re-bar in secondary lining  二次衬砌钢筋轴力

blow-in in the intermediate repair  中修开炉

built-in (in-line) smokemeter  内装式烟度计

built-in current threshold  内建电流定限

circulating current in sheath  护套环流

Circulation Current in the Parallel Operation  并机环流

cold current in whole Guangxi  全区性寒潮