| 单词 | breechblock |
| 释义 | breechblock (once / 492472 pages) n WORD FAMILY breechblock: breechblocks USAGE EXAMPLESThe heavy steel breechblock of the seventy-five was replaced by a wooden block. Miller, Francis Trevelyan, The Story of the Great War, Volume...(2010) The breechblocks of the guns were opened, clicked shut again, and then came the welcome words: “Comp sissed!” Young, Clarence, Ned, Bob and Jerry on the Firing Li...(2010) Breechblock—a movable piece which closes the breech of a cannon. Manucy, Albert, Artillery Through the Ages—A Short...(2010) n a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing Syn|Hyper breech closer block, blockage, closure, occlusion, stop, stoppage an obstruction in a pipe or tube |
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