·2,447,543篇论文数据，部分数据来源于NoteExpress
利用瞬变电磁法在煤矿井下独头巷道开展了超前探测含水构造的试验研究。
It is researched that the bore-hole transient electromagnetic method is applied to detect the water-bearing structures in advanced face of underground coal mines.
介绍了一种独头巷道高效通风系统的组成、构造特点及其在坑道内的使用情况。
The make-up, structural features of a kind of efficient ventilation system used in single end tunnel are introduced. The application of the system in tunnel also is presented.
应用推荐