The material which the liquid-propellant rockets burn to make the jet gases is liquid. This is something like gasoline, or kerosene, or alcohol that can brun.
液化推进火箭通过燃烧产生喷气的材料是液体；这种液体有点像汽油、煤油或酒精一类燃料。
The material which the liquid-propellant rockets burn to make the jet gases is liquid.
液化 推进火箭通过燃烧产生 喷气的材料是液体；
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