介绍了阳泉煤业(集团)有限责任公司煤质科学管理的方法。

The science methods of coal quality management in Yangquan Mining Group Corporation Ltd. were introduced in this paper.

youdao

介绍了阳泉煤业(集团)有限责任公司煤质科学管理的方法。

The science methods of coal quality management in Yangquan Mining Group Corporation Ltd. were introduced in this paper.

youdao