No safety pillars shall be mined without authorization and no dangerous methods, such as water bursting, blasting and breaking through roadways, which may threaten the production safety of adjacent coal mines shall be adopted.

 
  • 采矿作业不得擅自开采保安煤柱,不得采用可能危及相邻煤矿生产安全的决水、爆破、贯通巷道等危险方法。
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