辽宁工程技术大学采矿工程专业开设了“专题讲演”课程。

For this, the course 'special subject lecture' was set up for coal mining engineering profession in our university.

youdao

辽宁工程技术大学采矿工程专业开设了“专题讲演”课程。

For this, the course 'special subject lecture' was set up for coal mining engineering profession in our university.

youdao