In an earthwork,the conveyance is like a consumer due to waiting for necessary loading capacity,and then an excavator is the same as a service system.是什么意思_In an earthwork,the conveyance is like a consumer due to waiting for necessary loading capacity,and then an excavator is the same as a service system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句