We are puzzled by the pervious to water, the underground coal seam fire prevention, the question of deep zone mining and coal mining from incidence in Jixi.
透水、地下煤层防灭火、深部开采问题、大倾角采煤已经成为困扰鸡西煤炭开采的技术问题。
Tthey formed complicated underground steam caves, which have good or bad influence on tourism, water supply, water power energy utilization, mining and underground construction.
它们在旅游、供水、水能利用、采矿及地下工程建筑等方面对人类有着重要的利、弊影响。
Water filling sources of underground mine in Pingshuo mining area have Quaternary pore water, surface water, Permo-Carboniferous sandstone fissure water and Ordovician limestone karstic fissure water.
平朔矿区井工矿井的充水水源有第四系孔隙水及地表水、石炭—二叠系砂岩裂隙水、奥陶系灰岩岩溶裂隙水。
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