The wear of the roll surface has been analyzed in the view of wear mechanism.

从磨损机理的角度分析了造成型钢轧辊辊面磨损的原因；

youdao

Therefore, the roll surface is extremely hard and brittle and it is thermally unstable.

因此，辊子表面有极高的硬度、脆性及热不稳定性。

youdao

High temperature of roll surface cause burning phenomenon and lower the hardness of roll surface.

辊面高温会产生烧附现象，使辊面的硬度降低。

youdao

For ten minutes they surface and roll around our open boat, one diving literally under my feet.

FORBES: Magazine Article

Then, on a smooth. flour-free surface, roll the ball under the palm of your hand until the dough is smooth and firm -- about 1 minute.

CNN: Pizza Dough

If you could put a ball on this hypothetical surface, it would not roll - even though it appears to have slopes.

BBC: Europe's Goce satellite probes Earth's gravity