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| coiler head; coiler mandrel; reel block; mandrel (【技】芯棒：轧管和拔管用工具之一，通常分为短芯棒、长芯棒和浮动芯棒三种。) | |||
| 卷取机卷筒: 19 phrases in 2 subjects |
| Metallurgy | 17 |
| Steel production | 2 |
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