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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