The technology and practice of artifical pumpcrete pillar support is briefly introduced in this paper.The mining test was carried out using the pillars, at 2364 stope of Woxi mining district.

 
  • 介绍了泵送混凝土人工点柱支护工艺,并对该工艺进行了一系列可操作性试验,在湘西金矿沃溪矿区2364采场进行了采矿试验。
今日热词
目录 附录 查词历史