露天开采

It is suitable for the engineering of various open- pit mines and large excavating- hauling combined operation.

它适用于各种露天开采的矿山和大型采掘运输联合作业的工程。

Where abundant capital is available, the preferred method is open-pit mining.

在资金充足的时候，人们总是优先使用露天开采的方法。

Where abundant capital is available, the preferred method is open-pit mining .

资金充足的情况下，露天开采往往是采矿公司的首选。

The iron ore used to make steel comes from open-pit and underground mines.

译：炼钢用的铁矿石来自露天开采的矿山和地下矿井。

The entire resource can be open-pit mined as all the resources detailed are calculated above the 120 metre level.

整个资源可露天开采的资源详细计算所有120米以上的水平。

Where the trapline and the cabin once were, and the forest, there is now a large open-pit mine.

以前设陷阱的路线、小木屋和森林所在地，现在已经成为露天开采的大型矿场。

After the dissertation of this paper, wish it can offer a reference to opencast working .

希望通过本文的论述，能为露天开采提供借鉴，起到参考的作用。

In order to make people realize the harms brought by opencast working more and take some effective prevention and cure steps, this text has do a particular dissertate.

为了进一步使人们了解到露天开采带来的危害并采取有效的防治措施，本文做了详细论述。

From the viewpoint of systems engineering the paper has studied the method and theo-ry of the stepwise mining limit for the inclined ore bed with the help of operational research and computer.

本文从系统工程的角度出发，运用运筹学和计算机，对倾斜矿床露天开采分期境界优化的方法和理论进行了探讨；在倾斜矿床露天矿长远规划模型的基础上，建立了分期开采境界优化模型。

In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the marine environment.

露天开采海滨砂矿和从岸上打井开采海底矿产资源，必须采取有效措施，防止污染海洋环境。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。