flat wire

例句：

1. 1. The electrician used a flat wire to connect the sockets.
   电工使用一根平直的电线连接插座。
2. 2.The car's engine was sound, but the flat wire caused the starter motor to fail.
   汽车发动机运转正常，但平直的电线导致起动机失效。
3. 3. The flat wire was exposed when the wall was knocked down.
   当墙壁倒塌时，暴露了那根平直的电线。