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Huainan is a coal city with a mining history of hundreds of years.Heavy metals pollution aroused due to large amount of coal gangue accumulating in coal mine. 摘要淮南是一个开采历史达百年的煤炭城市，由于煤矿的开采，煤矸石在地表大量堆积，对矿区周围环境造成了不同程度的重金属污染。
They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
That coal mine is no longer worked. 那个煤矿已经不经营了。
coal mine history 煤矿历史
They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
There is a coal mine near my home town. 我的家乡附近有一个煤矿。
We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
They are developing a new coal mine. 他们在开发新煤矿。
[Abstract] Fuxin Basin has abundant coal resources with more than 50 years coal mining history. 阜新盆地煤炭资源丰富，有50多年的煤炭开采历史。
They sold the coal mine at a profit. 他们把煤矿卖掉赚了钱。
China Geological Coal Mine Corp. 中国地方煤矿总公司。
Coal Gas Factory of Datong Coal Mine Gro. 大同煤矿集团有限责任公司煤气厂。
A passage or gallery in a coal mine. 通道煤矿中的通道或水平巷道
My grandfather used to work in a coal mine. 我祖父曾在煤矿工作过。
Liu township coal mine enterprises. 乡镇企业有刘沟煤矿。
The miner is digging the coal mine. 矿工叔叔在挖煤。
Mine History Exhibition Hall in Karamay City Zhun Geer Road 22, east oil-chuen Road, south-GE Road, west black oil Hill Park. 克拉玛依矿史陈列馆位于城区准葛尔路22号，东临油泉路，南靠准葛路，西临黑油山公园。
The company operates two factories and a coal mine. 那家公司经营两家工厂和一个煤矿。
The tour guide explains history of Taiwan Coal mines. 导游很耐心地讲解有关台湾煤矿的历史。