breechblock

英[bri:tʃb\'lɒk]
美[britʃb\'lɒk]

基本释义

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 a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing

最新英语单词

行业英语