The explosive mixture in a rocket consists of both a fuel and a supply of oxygen.

火箭中的爆炸性混合物包括燃料和氧气供应。

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Spark plugs only ignite the fuel mixture near the spark gap, reducing the combustion efficiency, and the metal that makes them up is slowly eroded as they age.

火花塞只点燃火花隙附近的燃料混合物，这就降低了燃烧效率，并且随着使用年限增加火花塞中的金属慢慢被侵蚀。

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Here it would reach supersonic speeds and then shift to its scramjet engine. The scramjet scoops up air and mixes it with fuel so it burns as the mixture flows through the engine at supersonic speeds.

这里它将达到超音速然后超高速冲压喷气发动机切换成工作状态，迎面气流进入发动机，与燃料混合，混合物在超音速状态流过引擎。

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And there was a new fuel, a mixture of liquid ammonia and liquid oxygen.

VOA: special.2010.07.07

Nearly a century after they first appeared, they are still powered by igniting a mixture of fuel and air.

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The engines increase airflow, creating a more complete burning of the air-fuel mixture--and a more powerful vehicle.

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But it turns out that pilots can run the engine better by adding some air and subtracting some gas in the fuel mixture.

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