The fume discharged from coal-burning boilers makes an important distribution to the air pollution.

燃煤锅炉排出的烟气是形成大气污染的一个重要因素。

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She underwent a major refit in 1936, removing her coal-burning boilers and upgrading her armour and anti-aircraft guns.

长门号在1936年进行了大规模的改装，更换烧煤锅炉为新式重油锅炉。增加装甲和防空火炮。

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The TRW burner utilizing a new patent of clean burning can be used in fuel and coal-dust burning boilers' innovation and new boiler 's design.

TRW燃烧器利用了一项新型清洁煤燃烧专利技术，它适合于燃油、燃煤(粉)锅炉的改造与新炉设计。

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And,all cooking in the kitchen is done with only two hot water boilers for pasta and a wood-burning oven.

VOA: special.2009.04.10

Boilers burning dirty heating oils No. 4 and No. 6 produce 50% more air pollution than all of the cars and trucks in New York City and contribute to more than 3, 200 premature deaths every year, according to recent reports by the Environmental Defense Fund and the New York City Department of Health.

FORBES: Big Apple's Nasty Boilers