The information refers to slopes in opencast mines, quarries, dam foundation excavations and highway outs.

这份资料提供了有关露天矿 、 采石场, 坝基和公路堑的边坡资料.

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This paper discourse upon pollution of resource and soil resource in opencast.

该文主要综述了露天煤矿开采过程中带来的水资源、土地资源的污染.

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Opencast mining is relatively safer.

露天矿的采集危险相对较小.

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It is necessary that stripping plan be timely provided during the opencast mining.

露天矿生产过程中,需要及时提供采剥工程平面图.

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