This paper discusses the position and important role of local coal mining in whole coal mining industry, and looks ahead the developing trend of local coal mining.
本文分析了地方煤矿在整个煤炭工业中的地位及其在国民经济中的重要作用，展望了我国地方煤矿的发展趋势。
This paper discusses the position and important role of local coal mining in whole coal mining industry, and looks ahead the developing trend of local coal mining.
本文分析了地方煤矿在整个煤炭工业中的地位及其在国民经济中的重要作用，展望了我国地方煤矿的发展趋势。
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