Many modelling results have showed that the resistivity curves reflect obviously the variation of coal thickness,which are enabled to measure the coal seam with the thickness mors than 0 8m.

 
  • 结果表明,电阻率曲线对煤厚变化反映明显,能探测厚度大于0.8m的煤层。
今日热词
目录 附录 查词历史