单词 | rammer |
释义 | rammer [`ram·ǝr] ENGINEERING An instrument for driving something, such as wood or stones, into another material with force. Also known as beetle; maul. ORDNANCE 1. Device for driving a projectile into position in a gun; may be hand- or power-operated. 2. Tool used to remove a live projectile from the bore of a gun. |
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