It is not a joke, but misleading.

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送交者: steven 于 2010-04-01, 13:55:40:

回答: joke ?美 已研制出了使用生物燃料的战斗机 由 whatistruth 于 2010-04-01, 13:45:40:

There is no "new" 战斗机, but new fuel. The program was to test fuel replacement, not replacing the airplane.


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