It even results in geologic hazard;for the mine geologic hazard,the background of physiognomy is the potential factor,while the irrational exploitation is the magistral factor.

 
  • 矿山地质灾害的发生,地质地貌背景是诱发的潜在因素,不合理的开采方法是诱发的主导因素,降雨和水文条件是激发灾难发生的直接原因。
今日热词
目录 附录 查词历史