收放线 meaning in Chinese

take up and pay off

Travelling drum take - up and pay - off stand in portal execution
移动式龙门收放线架
Travelling drum take - up and pay - off stand in port
移动式龙门收放线架
Stationary take - up and pay - off stand
固定式收放线架
Pay - off and take - up equipment
收放线设备
Over the years , obsorbing the advanced technology , the association has developed the straight line drawing machines , wet drawing machines , upside down style wire drawing machines , spool take - up , pay - off unit , wheel heat treating winder , heat treatment take - up , pay - off unit , strander machines , pre - treatment line machines
多年来，吸收先进的专业技术，已研制开发了具有国内领先水平的直进式拉丝机，水箱拉丝机，倒立式拉丝机，收放线机组，工字轮热处理收线机，热处理收放线机组，预处理作业线，管式股绳机和成绳机。