Coal-fired power station, thermo-power station, coal excavation.
火力发电厂，热电工程，煤炭开采。
The law of ground motion caused by coal excavation is different on different landforms.
不同地形条件下，煤层开采引起的上覆岩层移动与地表沉降规律不同。
They pointed out that the excavation of fossil fuels has its own history of catastrophic accidents, including coal mine collapses and the recent BP oil spill in the Gulf of Mexico.
他们指出化石燃料的挖掘也有导致灾难性事故的历史，包括煤矿垮塌和最近英国石油在墨西哥湾的漏油事件。
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