stepless regulation

• 不分档调节,无级但,无级调节,平滑调节

stepless regulation的用法和样例：

例句

1. With stepless adjustment itinerary features upper and lower blade edge of space with handle conditioning, blade gap evenness difficult to adjust.
   具有无级调节行程的功能，上下刀片刃口间隙量用手柄调节，刀片间隙均匀度容易调整。