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| slag cotton; slag wool (【技】金属冶炼(如高炉冶炼)副产的炉渣，经配料、高温熔化、加工制成岩石质的人造纤维，进而生产出板、带、筒等各种形状的产品，具有良好的保温、隔音和防火性能，广泛用于冶金、化工和建筑水暖方面。) | |||
| 渣绵: 2 phrases in 1 subject |
| Metallurgy | 2 |
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