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重质调合油在加热炉上作为燃料使用，使轧钢的燃料成本有了一定幅度的下降，同时解决了废油的污染问题，取得了较好的经济效益和环境效益。
The heavy blending oil is used as a fuel on the heating furnace to reduce the fuel cost of the rolled steel to a certain extent and solve the problem of the pollution of the used oil at the same time, thus achieving better economic and environmental benefits.