breechblock

breechblock读音音标

英[bri:tʃb\\\'lɒk]

美[britʃb\\\'lɒk]

基本意思释义

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 a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing