breech block

常见例句

Floating Breech Block Motion and Interior Ballistic Analysis of Auto Mortar
自動迫擊砲砲閂浮動及內彈道分析
He is a great guy, a chip off the old block.
他是一位好人，就像他父親一樣。
That old block of flats is a real eyesore!
那座舊公寓真不順眼！
The office block is under offer.
辦公大樓已有人出價購買。
He used his casting vote to block the motion.
他用他的投票反對動議的通過。
A heavy snowfall block the main road.
一次嚴重的降雪阻塞了主要公路。