炉料的成分中，有时含一些有价组分，这些有价组分也可能出现在炉气中。

Constituents of the charge, sometimes including values, may also appear in the furnace gases.

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用电子计算机实现最优化配料，是在保证铁水化学成分与性能的情况下使金属炉料的成本最低。

The cost of the cupola burden would be the lowest under the conditions in which the computer is used to obtain the optimum burden ensuring chemical composition and characteristics of the molten iron.

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转炉补炉后第一炉钢，由于加入了大量的补炉料，补炉第一炉后成渣过程和转炉渣的成分发生变化，造成转炉终点磷偏高。

The phosphorus content of the end point in the first heat of converter steelmaking after fettling was higher than normal operation, because of the fettling material in the converter.

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