The fan comprises a frame, an impeller formed by a wheel hub and motive blades around the hub.
一 叶轮，具有一轮毂及多个环设于该轮毂周围的动叶片；
It can be used to make vaporizer, distributor, ignition and braking systems, slide block, electrical magnetic valve, wheel, and impeller, curl machine, coffee pot.
它可以用来制造蒸发器，分配器，点火和制动系统，滑块，电动电磁阀，轮，叶轮，卷曲机，咖啡壶。
In this article, the motion of shots entered the clearance between impeller and control cage has been analyzed while blast wheel is working normally.
分析了机械进丸抛丸器在正常工作中定向套与分丸轮间隙中弹丸的运动过程。
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