gun-cotton silk [經(jīng)濟學]火藥棉絲gun-cotton 火藥棉gun-control system [機械工程]火控系統(tǒng)gun-control laws [新聞學與傳播學]槍械管制法例gun-boring-finish turning [能源科學技術(shù)]槍鏜gun-barrel n. 炮管gun turret [軍] 炮塔gun tube 炮身，炮管gun sword gun shot 發(fā)炮，炮擊gun samurai [管理學]火槍侍衛(wèi)gun perforation [能源科學技術(shù)]射孔gun muzzle gun moll (n.) gun moll gun metal 炮銅gun lock gun hill signal station gun for 用槍搜索捕殺；開展運動支持gun fire