backward motion latch挡: keep off; ward off; block; r ...弹: shoot; catapult机构: mechanism摩擦式闭锁挡弹机构: friction-type shoe latch固弹机构: missile clamp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:挡弹机构，即可在微信中查询翻译
