barrel-type pay off 盘转式放线装置

portal-type pay-off stand 门式放线架

dual flyer type pay-off 双盘越端放线

portal type pay-off 门式放线架

flipper type pay-off 浮转式放线装置

portal type pay off stand 门式放线架

cone-type flyer pay-off 锥形越端放线装置

pay-off type 放线形式

shaft type constant tension pay-off 无轴式恒定张力放线装置