Tess twisted her feet to make a scuffing noise.

苔丝用脚在地上蹭出点声音。

The rail has never showed the surface scuffing.

十几年，导轨从未出现拉毛现象。

There is scuffing and scratching on the bottom surfaces.

有划伤和底部表面划伤。

Warning: When take off blade cover, avoid contacting edge for fear of scuffing.

注意：取下刀冒时，避免碰到刀头以防划伤。

Scuffing appears mainly in sliding contacts under high speed-heavy load conditions.

胶合、咬死现象是高速、重载滑动摩擦副常见失效形式之一。