• 轧钢

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1. We lag far behind in mining and steel rolling, the two sectors of iron and steel industry.
   钢铁两头，采矿和轧钢，都差得很多。
2. Steel rolling heating furnace conditions are realized by means of heat balance testing of the furnaces.
   摘要通过对湘钢轧钢加热炉的热平衡测试，了解炉子的热工作状况。