[作業(yè) 運(yùn)輸] 拋光槍筒 gun barrel; barrel (of a gun): 炮筒barrel lapping machine: 缸筒研光機(jī)，制筒卷邊機(jī); 精研缸機(jī)barrel of a gun: 槍桿子; 槍筒子gun barrel: 槍筒;炮筒。 gun-barrel; barrel; barrel assembly: 槍管下載手機(jī)詞典可隨時隨地查詞查翻譯
