Uses the X pattern of abrasion produced by a rotary action of a pair of abrasive wheels.

通过一对磨擦轮的旋转作用产生“X”型磨擦作用。

youdao

Uses the X pattern of abrasion produced by a rotary action of a pair of abrasive wheels.

通过一对磨擦轮的旋转作用产生“X”型磨擦作用。

youdao