cable trough

例句：

1. 1. The cable trough is a crucial part of the electrical system.
   电缆沟是电气系统的关键部分。
2. 2. The construction crew was working on repairing the damaged cable trough.
   施工队正在修理损坏的电缆沟。
3. 3. The cable trough was filled with water to prevent the cables from getting wet.
   电缆沟被水填满以防止电缆受潮。