The engine helped solve the problem of draining coal mines of groundwater and increased the production of coal needed to power steam engines elsewhere.

这台发动机帮助解决了煤矿地下水的排放问题，并增加了其他地方蒸汽机所需的煤炭产量。

youdao

To guide and supervise local coal sector administration departments in the verification of production capacities of coal mines.

指导和监督地方煤炭行业管理部门开展煤矿生产能力核定工作。

youdao

Anyone who has not obtained the coal production license shall be forbidden to engage in coal production.

未取得煤炭生产许可证的，不得从事煤炭生产。

youdao

We have seen increases in coal production and coal employment.

WHITEHOUSE: The White House

Our estimate of future coal production depends a lot on whether we think that the people of Montana will get into serious coal production.

FORBES: U.S. Crowned King of Coal, Some Disagree

The National Development and Reform Commission said coal production should resume as quickly as possible in Sichuan province, which accounts for 4 percent of the country's coal production, AP reported.

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