Analysed the disadvantage of water system influenced by subsidence and introduced the characters of destroying and existing state of treatment.

 
  • 摘要分析了張集礦塌陷區地表水系遭破壞后帶來(lái)的負面影響,介紹了礦區內地表水系破壞特征及其治理現狀。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan