Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

尽管没有新煤矿投产，但 Tribnia 每个矿工的煤炭产量是五年前的两倍。

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They often understated their coal output.

他们常常少报他们的煤炭产量。

youdao

We have raised the coal output by using better mining methods.

我们利用更好的采煤法增加了煤炭产量。

youdao

"We've seen good levels of output, and given that, for the bulk commodities in particular that's the iron ore and coal both steaming and coking those prices are looking strong.

VOA: standard.2010.01.21

India is unable to rapidly ramp up coal output due to the long process of getting environmental clearance and difficulties in acquiring land for opening new mines.

WSJ: Coal to Keep Firing India Power Plants

At the same time East Kalimantan, where Bayan operates, is considering plans to cap annual coal output in an effort to promote alternative energy and cut back on the damage coal mining has done to the environment.

FORBES: Low Tuck Kwong

As a result, the German power generators' association, the BDEW, says gas-fired electricity output in Germany fell last year by 13bn kilowatt hours, or 16 per cent, while coal-fired plants upped output by the same amount, recording a 5 per cent increase to 275.8bn kWh.

CNN: Shale gas boom sparks EU coal revival