浮动辊 meaning in English

dancer roll
floating roll

Tension control equipped with floating roller , 7 - motor , 4 - section tension closed - loop control system
张力控制采用浮动辊式，七电机四段张力闭环控制系统。
Structural adhesives - evaluation of the effectiveness of surface treatment techniques for aluminium using a wet peel test in association with the floating roller method
结构胶粘剂采用湿剥离试验结合浮动辊法对铝的表面处理技术的有效性评价机构