为了通过扩散器的空气更容易流入到尾部叶片，在尾部叶片上形成流动引导部。
The mobile guiding component in the tail-end blade makes the air through the diffuser enter into the tail-end blade more easily.
为了通过扩散器的空气更容易流入到尾部叶片，在尾部叶片上形成流动引导部。
The mobile guiding component in the tail-end blade makes the air through the diffuser enter into the tail-end blade more easily.
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