side circuit

例句：

1. 1. The side circuit is designed to bypass the main power line.
   旁路电路设计用来绕过主电源线。
2. 2.In this case, the side circuit was used to bypass the main grid.
   在这种情况下，使用了旁路电路来绕过主电网。
3. 3.The engineers had to bypass the damaged section of the circuit to fix the problem.
   工程师们不得不绕过受损的电路部分来解决问题。