horizontal channel

例句：

1. 1. The horizontal channel is a crucial part of the project's infrastructure.
   水平通道是该项目基础设施的关键部分。
2. 2. The engineer designed the horizontal channel to accommodate the heavy equipment.
   工程师设计了水平通道来容纳重型设备。
3. 3. The horizontal channel was used to transport wastewater from the factory.
   水平通道被用来从工厂输送废水。