1、
Natural gas reburning is a novel technology on NOx emission control of coal-fired station.
天然气再燃是控制 燃煤 电站氮氧化物排放的先进技术.
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2、
Method Heavy oil is recovered by small direct-fired steam-gas generator through injecting mixed gas.
方法利用小型直燃式热采蒸汽 — 气体发生器注混合气体开采稠油.
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