以光电式传感器为基础，介绍了一种新颖的皮带线速度测量方法。

On the basis of photoelectric sensor, a new measuring method for Linear velocity of the belt is introduced.

youdao

以光电式传感器为基础，介绍了一种新颖的皮带线速度测量方法。

On the basis of photoelectric sensor, a new measuring method for Linear velocity of the belt is introduced.

youdao