采用张力放线，张力机采用双鼓轮式，要有手闸，全液压制动。
Tension setting out shall be employed and the tensioner shall be double-wheel and fully hydraulic type with hand brake .
利用磁粉制动器的励磁电流与制动力矩成线性关系这一特性，设计了闭环张力控制系统。
Utilizing the linearity peculiarity of the exciting current of magnetic powder brake and brake moment, the closed loop control system is designed.
薄膜张力盘式制动器是手动调节，精确设定薄膜张力程度，达到薄膜破坏点。
Film tension Disc Brake is manually adjustable for precisely setting the degree of film tension required, up to the film breaking point.
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