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environ.
露天开采
(通过移去上层物料、爆破和装载矿石,以近地表方式提取金属矿石和矿产品。)
;
露天剥采
(浅表性开采,通过去除岩石覆盖以得到其中有价值的层:煤炭,非金属以这种方式工作的含金属(铁,铜)的矿物。同义:条带开采、露天开采、露天矿开采。)
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