事故现场的轮胎印迹分为三种：胎印、擦印和拖印。

In accident spot, the tire trace is divided into three kinds: tire trace, scratching trace and towing trace.

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检查时先通过路试制动，根据轮胎拖印查明制动效能不良的车轮予以检修。

Inspection has passed the road test first brake, trailer tires and India in accordance with the identification of the wheel braking performance to be poor maintenance.

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