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 .

youdao

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 .

youdao