| 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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