Conclusion It provides theoretic basis for forecasting deep coal bed weathering zone.

结论该研究为煤岩层深部风化带预测提供了依据。

youdao

Wennan colliery of Xinwen coal mining Group is an old coalmine and is mining deep coal layer.

汶南煤矿是新汶矿业集团进入深部开采的老矿井。

youdao

One of the theoretical and technical puzzle of deep coal mine design and construction is the computation and prediction of static earth pressure.

深部土静止土压力的计算与预测是煤矿深井建设设计与施工中的理论与技术难题之一。

youdao

The fire at the deep coal mine, which forced its early closure, was extinguished earlier this month.

BBC: Daw Mill miners wait to hear about benefits

The coal is deep underground and expensive to extract.

ECONOMIST: What is good news for miners is bad news for the environment

Martin McGuinn, who took over as chief executive two years ago, is a lawyer by training and oblivious to banker's hours: He's gazing over Pittsburgh from his top-floor office by 5:30 every morning, when the three sprawling rivers below are still black as the coal buried deep in the surrounding hills.

FORBES: Pittsburgh Panther