breechblock中文什么意思

枪闩，炮闩；(枪机柄的)螺体。

• breechblock buffer:    炮闩缓冲器
• breechblock bushing:    炮闩轴衬
• breechblock carrier:    炮闩架

英文释义

名词

1. a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
   同义词：breech closer

百科释义

A breechblock (or "breech block") is the part of the firearm action that closes the breech of a weapon (whether small arms or artillery) at the moment of firing.