gun recoil oil枪炮: firearms; arms; guns后座: backseat; backstand油: oil; fat; grease后座油: hydroline oil; recoil oil轻质后座油: light recoil oil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:枪炮后座油，即可在微信中查询翻译
