住宅的大门外有一根竖杆，上面安装着风向标。
Erected outside the front door of this house was a pole equipped with a wind vane on top.
这个模型除考虑竖杆的弯曲和剪切变形外，还考虑了轴向变形。
In this model, besides considering bending and shear deformation, the axial deformation of columns has also been taken into account.
反向转动顶套时，触片离开斜面，竖杆向上弹回，马达电路被断开。
When the top sleeve is reversing-rotated, the contact piece leaves the inclining surface, the upright rod is bounced back upwards, and the motor circuit is cut off.
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