Elevator group become to loop connection , each in the loop has group control dispatch function if one or some have malfunction , the rest can be assured of normal service.是什么意思_Elevator group become to loop connection , each in the loop has group control dispatch function if one or some have malfunction , the rest can be assured of normal service.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句