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。

youdao

In the light of its practical production, the monitoring method and results of deep hole blasting vibration in Wulongquan Open pit are expounded.

结合乌龙泉露天矿的生产实际，阐述了该矿深孔爆破震动的测试方法和测定结果。

youdao

Before and after ending of deep open-pit coal mine, geological disasters such as slope sliding and surface deformation probably occur.

分析研究深大型露天煤矿闭坑前后可能发生滑坡、地表变形等地质灾害。

youdao

It was unclear why the children were in the deep open pit at the home in a rural area of Lincoln County, about 20 miles northwest of Charlotte.

CNN: SHARE THIS

De Beers is active in every category of industrial diamond mining: open-pit, underground, large-scale alluvial, coastal and deep sea.

FORBES: Anglo American Receives Final Regulatory Approval for De Beers Acquisition