In the light of water leakage of waterproof sluice-wall in 4301E working face,this paper adopts two construction schemes to research the best plugging effect.

 
  • 针对4301E工作面防水闸墙漏水,采用两套施工方案来达到最优的堵水效果。
今日热词
目录 附录 查词历史