Host speed regulator with frequency converter means, in order to best speed, the effect better.

采用变频方式调节主机转速，以求最佳的线速度，效果更理想。

youdao

Host speed regulator with frequency converter means, in order to best speed, the effect better.

采用变频方式调节主机转速，以求最佳的线速度，效果更理想。

youdao