roll finish

In order to reduce roughness of bearing's roll table and improve service life of roller bearings for goods trains, roller bearing's roll table finisher was designed, which is based on oilstone finish technology.

为降低轴承滚道的粗糙度，提高铁路货车滚子轴承的实际使用寿命，自行设计了以油石超精技术为基础的滚子轴承滚道超精机。

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When you want to finish a letter or a book you roll up the scroll and then you put a wax seal at the end of the roll and that seals the book.

当你看完一封信或一本书时，就将书卷卷起，然后在末端用蜡封印，将书封起来。

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Roll the side of a pen over the tear to completely smooth it back into place. This will create a better finish than if you use your fingers.

用铅笔将皮鞋破损处压平，效果要比用手指好很多。

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