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For this, the course 'special subject lecture' was set up for coal mining engineering profession in our university.
辽宁工程技术大学采矿工程专业开设了“专题讲演”课程。
youdao
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For this, the course 'special subject lecture' was set up for coal mining engineering profession in our university.
辽宁工程技术大学采矿工程专业开设了“专题讲演”课程。
youdao