Add fine adjust device for the pressure of foot, without dial on the adjustable screw, more convenience for operation.

压脚压力采用微调装置，压力调节螺钉设有刻度，更加方便操作。

youdao

Add fine adjust device for the pressure of foot, without dial on the adjustable screw, more convenience for operation.

压脚压力采用微调装置，压力调节螺钉设有刻度，更加方便操作。

youdao