gun muzzle cover炮口: gun muzzle; mouth盖: a surname口盖: access cover; aptyxiella; camerostome; door; hood; palate; tegmen oris炮口箍: muzzle clamp炮口门: muzzle door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:炮口盖，即可在微信中查询翻译
