短語詞組短語breech -lock 閉鎖機(jī)manual breech lock 外加手動(dòng)複位槍栓鎖breech lock bonnet 鎖緊式壓breech lock door 錯(cuò)齒式罐蓋manuing breech lock 複位槍栓鎖breech lock closure 栓塊鎖緊蓋breech lock mount 背鎖式接環(huán) 返回 breech lock