And the coal mine laneway is a typical representation of the confined space.
而矿井巷道就是受限空间的一个典型代表。
Taking 2-2 coal seam of Halagou coal mine for example, laneway system and its interrelated parameters with short-wall and continuous mining machine in Shendong mining area were introduced.
以哈拉沟煤矿2 - 2煤层的开采系统为例，介绍了神东矿区连续采煤机短壁式机械化开采的巷道系统及其相关参数。
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.
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。
应用推荐