名词
中文翻译：Unknown
同义词：
['coal mine', 'coal seam', 'coal deposit']
例句：
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1. The mine run coal is a valuable resource for the local economy.
煤矿的煤炭是当地经济的重要资源。
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2. The miners are working hard to extract more mine run coal from the mine.
矿工们正在努力从矿井中提取更多的煤矿。
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3. The coal mine is located in a remote area, making it difficult to access.
煤矿位于偏远地区，难以到达。