open pit mine

基本解释

According to the engineering practice of an open pit mine the engineering reclamation should be a key link of the open pit production.
通过某露天矿的工程复垦实践，说明将工程复垦纳入露天矿的生产环节是可行的。
Open pit mine is a mine productive system which mechanical level is high, productive environment is complex. There are many dangerous accident sources.
露天矿是一个机械化程度高、生产环境复杂、危险事故源多的矿山生产系统。
Through analysis, the factors affecting death ratio of accident in Antaibao open pit mine are determined and the evaluation analysis is conducted after all the factors were fuzzy greyed.
通过实际分析，确定了影响安太堡露天煤矿事故伤亡率的因素，并对所有的因素模糊灰色化后进行了评定分析。

Besides its open pit mine located in Northern Quebec, there is a growing lithium battery industry growing in Montreal.
FORBES: Canada Lithium on Target For 2013 Production; To Be First Canadian Lithium Producer
Along with strong financial backing, the Quebec Lithium open pit mine is on schedule in terms of commissioning and construction.
FORBES: Canada Lithium on Target For 2013 Production; To Be First Canadian Lithium Producer
Buy it and you make some open-pit mine in Arizona a little deeper.
FORBES: The Guilt-Free Consumer