n.多層圓筒 multi-layer cylinder: 多層筒殼; 多層圓筒multi-layer and multi-pass welding: 分層多道焊multi cylinder engine: 多缸發(fā)動機(jī)multi cylinder opener: 多刺輥開棉機(jī)multi cylinder pump: 多缸泵下載手機(jī)詞典可隨時隨地查詞查翻譯