breech block

常见例句

Floating Breech Block Motion and Interior Ballistic Analysis of Auto Mortar
自动迫击炮炮闩浮动及内弹道分析
He is a great guy, a chip off the old block.
他是一位好人，就像他父亲一样。
That old block of flats is a real eyesore!
那座旧公寓真不顺眼！
The office block is under offer.
办公大楼已有人出价购买。
He used his casting vote to block the motion.
他用他的投票反对动议的通过。
A heavy snowfall block the main road.
一次严重的降雪阻塞了主要公路。