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.
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