double-lane channel

例句：

1. 1. The double-lane channel is designed to accommodate more vehicles.
   双车道通道设计用来容纳更多的车辆。
2. 2. The double-lane channel is a vital part of the city's transportation system.
   双车道通道是城市交通系统的重要组成部分。
3. 3. The double-lane channel was built to improve traffic flow in the area.
   双车道通道的建立是为了改善该地区的交通流量。