gun sign枪管: gun-barrel; barrel; barrel a ...征: go on a journey; travel平行: of equal rank; on an equal f ...管: pipe; tube平行管征,双筒枪征: parallel channel sign下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:枪管征,平行管征,即可在微信中查询翻译