Against the existing problem on the spraying system of cross tube primary gas cooler, the respective modification measure has been taken, the cooling effect and safe delivery of gas were ensured.

针对横管初冷器喷洒系统存在的问题，采取了相应的改造措施，确保了煤气的冷却效果和安全输送。

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There are many who argue that corn ethanol should replace fossil fuel gas as the primary source for running cars.

许多人认为，玉米乙醇应该取代化石燃料气体，成为汽车的主要燃料。

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Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.

可再生能源只占全球主要能源消耗的一小部分，化石能源仍然占主导地位——煤炭和石油各占30%，天然气占25%。

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The Grenoble study authors did not factor in influences the warming oceans would have had upon evaporated water vapor, that primary atmospheric greenhouse gas.

FORBES: The Feverish Hunt For Evidence Of A Man-Made Global Warming Crisis

Siluria converts methane, the primary ingredient in natural gas, into liquid fuels and chemical intermediates.

FORBES: Paul Allen's Vulcan Backs Natural-Gas-To-Fuels Startup Siluria Technologies

It is altogether fitting that Congress designated an expert agency, here, EPA, as best suited to serve as primary regulator of greenhouse gas emissions.

FORBES: Supreme Court, On A Big Day, Rejects Global-Warming Suit