C./D.C. as well as relays, switches etc in general, electrical supplies of new or second hand materials so far from local distributors.是什么意思_C./D.C. as well as relays, switches etc in general, electrical supplies of new or second hand materials so far from local distributors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句