风机的变速箱主要由箱体、行星轮系和变速机构等构成。

Fan gear mainly by the box, planetary gear speed change mechanism, and so on.

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箱型伸缩臂； 伸缩机构； 无销式；单缸插销式；

Box section telescopic boom; Telescopic mechanism; Pinless boom; Single cylinder pin type;

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驱动机构的设计，如减速箱，卷筒等。

Design drive mechanism, such as gearbox, drum etc.

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驱动机构的设计，如减速箱，卷筒等。

Design drive mechanism, such as gearbox, drum etc.

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