光纤不锈钢管焊接生产线
stainless steel tube welding production line
传动轴自动焊接装配生产线
Transmission shaft automatic welding assembly line
柔性装焊生产线
Flexible welding and assembling production line
错误接线接线
error connection checking
跨接线接线器配置
jumper connector location
高线生产线
continuous wire rod rolling mill