open - air mine
英
美
- air n.空气；天空；空中；感觉；神态；曲调；装腔作势v.晾干；使通风；广播
- mine pron.我的n.矿；地雷；矿藏v.采矿；用地雷炸
- open adj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开
- Rain has serious effect on the operation of long and narrow deep open pit.
降雨对狭长深凹露天矿的生产有严重的影响。
- The experimental study on blasting with water pressure in openpit mine is described in this paper.
本文介绍水压爆破在露天矿的试验研究情况。
