最常见的事故是擦边撞击，通常只是一个汽车表面受损的损失。
The most common accident is a sideswipe, generally no more than a cosmetic annoyance.
可依重量损失或表面磨损状况判定耐磨等级。
The specimen after test can be judged the resistance by the loss or surface.
可依重量损失或表面磨损状况判定耐磨等级。
The specimen after test can be judged the resistance by the loss or surface.
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