South - central Europe is fighting a heat wave fierce enough to cause forests to combust.

欧洲中南部高温不下，足以引起森林大火。

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A hydrogen engine 10 supplies hydrogen, oxygen, and an argon gas serving as a working to a combustion chamber 21 to combust the hydrogen.

氢发动机10将氢气、氧气和作为工作气体的氩气供给到燃烧室21以使氢气燃烧。

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All the boilers of Jin Zhushan Power Plant are designed to combust the local anthracite which is a kind of coal most difficult to combust.

金竹山电厂锅炉设计全部燃烧金竹山地区的无烟煤，属于国内最难燃烧煤种之一。

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Moreover, much of the coal he bought from Burlington is low-quality lignite, a brownish fuel one step removed from peat, which can't be transported because it tends to spontaneously combust.

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But the problem is that it takes a lot of natural gas to isolate the hydrogen, leaving many to say that it would be more productive to just combust the natural gas in a conventional engine.

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The Wankel engine in the Mazda RX-8 houses a rapidly spinning cam that is shaped to compress and combust fuel and air against the inside of an oval chamber.

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