breech block

同根派生

英汉例句

• 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。