旋转射流截面最大轴向速度和切向速度与喷距的负指数成正比关系衰减。
Its maximum axial and tangential velocity attenuate proportionally with the negative index of its distance from the nuzzles.
旋转射流截面最大轴向速度和切向速度与喷距的负指数成正比关系衰减。
Its maximum axial and tangential velocity attenuate proportionally with the negative index of its distance from the nuzzles.
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