单词open-pit
adj.: 露天开采的
网络: 露天采场；露天矿
露天开采的:
inopen-pit mines coal is taken out of the ground near the surface
露天矿
(矿)露天采掘的
The open-pit mining of a surface-oxidized copper ore was carried out which did not consider the influence of underground mining at all.
某铜矿区地表氧化矿的露天开采活动就是在完全不考虑对地下开采的影响下进行的。
It consists of open pit in the ground state, the bottom of the slope around the state and composition.
它由露天采场的地表境界、底部境界和周围边坡组成。
Familiar with magnetite extraction methods, able to manage production sampling and grade control in an active expanding open pit mine; .
熟悉磁铁矿提取方法，能够在扩建的露天矿中管理生产采样和品味控制。
Where oil sands are close to the surface, they are extracted in large open pit mines.
那里的油砂离地表很近，可以从巨大的露天矿井里直接抽出来。
Open-pit boundary is contoured with the application of the rule of boundary stripping ratio less than or equal to economic stripping.
采用境界剥采比不大于经济合理剥采比的原则圈定露天开采境界。
Whether open pit or underground excavation, is a strength and a scene of heavy engineering, human and material inputs is unimaginable.
不论是露天开采，还是地下挖掘，都是一项声势和场面浩大的工程，人力物力的投入是难以想象的。
Open-pit mining to be transferred into underground mining is an issue many large or middle-sized mines have to face early or late.
露天转地下开采是许多大中型矿山迟早要面对和解决的一个问题。
Open pit domestic water sources and production water supplies can only be confirmed after detailed geological survey.
露天矿生活用水水源及生产用水水源由详勘后确定。
The optimization design mainly consists of two contents: adjustment of the mining boundary of open pit and optimization of production scale.
优化设计主要包括两方面的内容：露天开采境界的调整和生产规模的优化。
Open-pit Mines should be planed and with the economic benefits index changing the plan should be changed .
露天矿的开采必须是有计划的，而且随着影响经济效益变量的变化而变化。