并对同等误差条件下不同定位销的布置对切割偏差的影响进行了比较分析，最后根据上面的分析提出了几点关于定位销位置布局的指导原则。

The influence on the cutting deviation owing to the layout of the pins was analyzed. Some principles about the layout of pins are brought forward.

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该方法首先确定前两个定位销在基础板上的位置。

The way first determines the positions of previous positioning pins at base plate.

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如果该杯状固定塞脱落，驻车止动爪定位销可能在特定情况下滑移出正常位置。

If the cup plug is missing, the park pawl anchor shaft can move out of position under certain conditions.

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