| 释义 |
工频工频[gōng pín]1.■（工业用交流电频率） power frequency
常用词组1.■工频电流 power current;2.■工频焊 industry frequency welding;3.■工频恢复电压 power frequency recovery voltage;4.■工频试验变压器 power frequency testing transformer;5.■工频跳火电压 power frequency sparkover voltage;6.■工频无芯感应炉 mains-frequency coreless induction furnace |