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Thrust value is constant and thrust direction variable.
假定发动机推力大小为常值，方向可调。
youdao
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The thrust value is constant and the thrust direction is variable.
发动机推力大小为常值，方向可调。
youdao
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The thrust value is constant and the thrust direction is variable.
发动机推力大小为常值，方向可调。
youdao