mandrel
mandrel[ˈmandr(ə)l]noun- a shaft or spindle in a lathe to which work is fixed while being turned
心轴;紧轴
- a cylindrical rod round which metal or other material is forged or shaped
芯棒,顶杆
- (Brit.)a miner's pick
(英)(矿工用)镐
语源- early 16th cent. (in sense 3): of unknown origin
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