介绍了本钢利用转炉冶炼特殊钢的工艺技术。

The present paper introduces a new technology by which the special steel is refined in the converter.

youdao

介绍了本钢利用转炉冶炼特殊钢的工艺技术。

The present paper introduces a new technology by which the special steel is refined in the converter.

youdao