LINE MODE OFF线性模式
line work off drawing晕翁线绘法
Line Lock OFF行同步
return line shut off valve返回管线关闭阀
Prevent gum line blew off防止胶线刮断
Longitudinal line cut off the纵行剪开
on-line and off-line condition monitoring在线与离线监测
on-line and off-line media group网络和传统传媒公司
line of hitch off用线划开