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| mixed scrap/coal baling (【技】一种转炉加煤炼钢方式，将废钢和煤混装打包投炉炼钢，以增加熔池热源，提高废钢比。) | |||
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废钢 /煤混包装 : 2 phrases in 1 subject |
| Metallurgy | 2 |
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