标牌上写着:“危险,高架电缆”。
The sign said " Danger & overhead cables " .
数据电缆通常是经由高架电缆盘在现代数据中心。
Data cabling is typically routed through overhead cable trays in modern data centers .
地铁高架33kV电缆护套开裂原因分析及措施
Investigation and Prevention Measures for Cracking of Elevated 33 kV Cable Sheath Used for Subway