生活在海洋的小微生物靠石油和天然气存活，它们必须消耗大量氧气才能消化食物。
As small microbes living in the sea feed on oil and natural gas, they consume large amounts of oxygen which they require in order to digest food.
研究了在钢质管道表面采用氧气—石油天然气火焰熔覆玻璃涂层的工艺。
The technology is studied on steel pipeline surface by hot spraying with oxygen natural gas.
多燃烧器选项，以支持在低氧气的大型煤炭，天然气和石油烟道环境的独特要求的燃煤采暖常规电厂。
Multiple burner options to support the unique heating requirements in the low oxygen flue environment of large coal, gas and oil fired conventional power plants.
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