The example of engineering proved to be the method of being highly cost effective.The method can quickens the speed of construct.It has wide application in Engineering.

 
  • 工程实践表明,用巷道围岩松动圈支护理论确定锚杆支护参数,支护效果好,又降低了工程造价,加快了施工速度,具有良好的推广价值。
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