triple bus-bar

例句：

1. 1.The engineer designed a triple bus to transport heavy equipment across the city.
   工程师设计了一辆三轮货车，用于将重型设备运输穿越城市。
2. 2. The construction site had a triple bus bar installed to ensure safety during construction.
   施工现场安装了三总线汇流条，以确保施工期间的安全。
3. 3. The trip wire was a triple bus bar that alerted the security team when someone entered the restricted area.
   断线是一种三总线汇流条，当有人进入限制区域时会通知安保团队。