The research on probing into water bearing structure and watery of fore and lateral survey under coal mine is made by TEM.

 
  • 利用瞬變電磁法在煤礦井下巷道開(kāi)展了超前和側向探測含水構造及富水性的試驗研究。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan