这大大缩短了一炉钢的冶炼时间。
This resulted in greatly reducing the time of a single heat.
冶炼周期缩短，每天可多炼一炉钢；
The converter can increase smelting a stove steel daily throng shorten melting period.
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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