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 a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing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

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