炮闩用英语怎么说？

炮闩

• [pào shuān]
  breechblock，breech mechanism

词组搭配

• 炮闩保险机
  blocklatch
• 炮闩底火
  {军} lock primer
• 炮闩机构
  {军} breech mechanism
• 炮闩连接滚筒
  {军} breech mechanism