gun feed mechanism枪炮: firearms; arms; guns进: advance; move forward; move ...弹: shoot; catapult机构: mechanism进弹机构: ammo feed mechanism; belt feed mechanism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:枪炮进弹机构，即可在微信中查询翻译
