The great undulating of soleplate of the third coal layer in Wangping well field badly influence exploiting disposal and excavating coal laneway.

  • 针对王坪井田3号煤层底板起伏变化大,严重影响开拓及采煤巷道布置的现状,利用趋势面分析的方法,分析了井田内的构造展布规律。
目录 查词历史