基本解释[機械工程]砲筒鑽英汉例句雙語例句To make a silencer, you just drill holes in the barrel of the gun, a lot of holes.要達到消音的目的，你衹需在槍琯上打洞就好，多多益善。gun barrel drill更多例句专业释义機械工程砲筒鑽