lock frame枪机: gunlock; rifle bolt; firearm ...后座: backseat; backstand缓冲器: buffer; dead block; antifluc ...后座缓冲器: recoil adapter弹簧后座缓冲器, 弹簧制退器: spring recoil adapter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:枪机后座缓冲器，即可在微信中查询翻译
