青云翻译

Tension of the tensioning device spiral way, used to adjust the tightness of the belt

Tensioning device of screw tensioning method, used to adjust the belt tension

The tightening device uses the screw tautness the way, uses for to adjust the leather belt the loose and tight degree

tight spiral tightly installations in the manner of the elastic strap, used to adjust

Tensioning device of screw tensioning method, used to adjust the belt tension