实现露天矿表土剥离采用半连续工艺的关键技术是破碎机。
The crusher is the key technology for semi-continued overburden stripping operation in open pit mine.
研究了采煤塌陷区适农土地表土剥离复垦和混推复垦对复垦后土壤理化性质的影响。
The effects of soil-handling operations for coal mining subsidence on soil physical and chemical properties were investigated in this paper.
研究了采煤塌陷区适农土地表土剥离复垦和混推复垦对复垦后土壤理化性质的影响。
The effects of soil-handling operations for coal mining subsidence on soil physical and chemical properties were investigated in this paper.
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