选择锭子和速度的综合指数，它给于最小的刻度10和最合适的是在刻盘的顶部和中部。

Select a combination of spindle and speed that gives a minimum scale reading of 10 and preferably in the middle or upper portion of the scale.

youdao

选择锭子和速度的综合指数，它给于最小的刻度10和最合适的是在刻盘的顶部和中部。

Select a combination of spindle and speed that gives a minimum scale reading of 10 and preferably in the middle or upper portion of the scale.

youdao