feeder bus-bar

例句：

1. 1. The engineer designed a new feeder bus to improve efficiency.
   工程师设计了一种新的馈线母线以提高效率。
2. 2.The new feeder bus bar was installed in the substation.
   新的馈线母线安装在变电站。
3. 3. The engineer used the feeder bus bar to connect the two circuits.
   工程师使用馈线母线将两个电路连接起来。