overhead catenary

• 接触网

overhead catenary的用法和样例：

例句

1. 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。
2. Do not enter the roof when the locomotive stands underneath hot catenary!
   当机车处于有电的接触网下时，不要登机车车顶！