It can extend the minimum current of 30 A to about 5 A that a ancillary rectifier circuit parallelled in a single thyristor rectifier welder.是什么意思_It can extend the minimum current of 30 A to about 5 A that a ancillary rectifier circuit parallelled in a single thyristor rectifier welder.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句