放线张力 meaning in Chinese

pay-off pull

Pay - off tension mechanism friction and can adjust
2放线张力机械摩擦，可以调节。
It has great advantages such as man - machine talking in operation , technological parameter being inputted by means of menu , pay - off tension being displayed on - line , fault self - diagnose , and the function for on - the - spot management of production
操作采用人机对话，工艺参数菜单式输入，放线张力随机显示，故障自诊断，并具备生产现场管理功能。