The unit consists of auto air switch, tr ansformer, two-phase or three-phase bridge rectifier assem bly and AC contactor.The circuit configures short-circuit and over viltage protection devices.是什么意思_The unit consists of auto air switch, tr ansformer, two-phase or three-phase bridge rectifier assem bly and AC contactor.The circuit configures short-circuit and over viltage protection devices.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句