青云翻译

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On the safety production of mine hydrogeological factors having the greatest effect was Leader of sandstone water and old mine water disaster, in future should focus on these two points in the production of coal mine, coal mine water prevention and control work in a timely manner.

Affects the biggest hydrology geologic agent to this ore safety in production is coal bed crevasse sandstone Shui Jilao the kiln flood, will be supposed key to pay attention in the next coal mine production these two, will complete the coal mine to prevent and control the water conservancy project p

正在翻译，请等待...

On the safety production of mine hydrogeological factors having the greatest effect was Leader of sandstone water and old mine water disaster, in future should focus on these two points in the production of coal mine, coal mine water prevention and control work in a timely manner.