If use the belt wheel, wheel, etc, shall set bracket support, in case of driving gear bearing by the radial force.

若用带轮、链轮等驱动时应设托架支承，以防主动齿轮轴承受径向力。

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Ventilation device includes fan frame, blade and driving mechanism. The blade wheel and driving mechanism are all set in fan frame.

通风装置包括扇框、叶轮以及驱动机构，叶轮与驱动机构均容设于扇框内，且驱动机构与叶轮连结并驱动叶轮转动。

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The steering wheel deploys back into the driving position when the car is started, the angle of which can be pre-set and saved by the driver.

FORBES: Ready for a Folding Steering Wheel?