The First Electric Test-bed for Catenary Accessory in Our Country was Born!
The First Electric Test-bed for Catenary Accessory in Our Country was Born!
接触网零件电气试验台研制成功，填补了国内无专业试验设备的空白。
The First Electric Test-bed for Catenary Accessory in Our Country was Born!
接触网零件电气试验台研制成功，填补了国内无专业试验设备的空白。