wire duct

例句：

1. 1.The wire duct is used to carry electrical currents through the walls.
   电线导管用于通过墙壁输送电流。
2. 2. The engineer carefully wired the duct and tested it for leaks.
   工程师仔细地将管道连接起来并测试是否存在泄漏。
3. 3. The construction workers were busy installing new wire ducts in the basement.
   建筑工人忙于在地下室安装新的电线导管。