矿井瞬变电磁测量在煤矿井下巷道中进行，干扰因素有别于地面瞬变电磁法。
When transient electromagnetic method for mine is used underground, its influence factors are different from that on surface.
介绍了这种装置在煤矿井下转弯巷道中的使用情况。
Describes the use of the device in coal mine roadway turning.
漏泄通信技术是解决无线电波在矿井巷道中传播的有效途径，是实现煤矿井下移动通信稳定可靠的重要手段。
Leakage communication is good for solving radio wave spreading in mine laneway, and is an important mean of coal mine mobile communication credible working too.
本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。
The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.
煤矿井下可回收锚杆一般用于煤层巷道，由于锚杆钻孔的变形和塌孔等原因，用普通套筒扳手拆卸锚杆时，因不能给锚杆提供轴向拉力，很难将锚杆拆卸拔出。
It is difficult to pull out the bolt with ordinary socket wrench that can not provide axial tension because of the bolt drilling hole deformation and the collapse of holes.
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.
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.
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