翻译
  • 简明
  • breechblock

    • 英 [bri:tʃb'lɒk]
    • 美 [britʃb'lɒk]

    释义

    • n.
      尾栓,闩体,螺体; 炮栓; 炮闩
  • 英英释义

    Noun

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 a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing