枪消音器' 枪消音器[槍---] qiāngxiāoyīnqì n. gun silencer; silencer M:²zhī/²gēn 只/根'

无声手枪' 无声手枪[無聲-槍] wúshēng shǒuqiāng n. pistol with a silencer M:²zhī/⁴gǎn 只/杆'
消声器' 消声器[-聲-] xiāoshēngqì n. silencer; muffler M:ge/jià 个/架'