tubular transport

例句：

1. 1.The tube transport system is designed to efficiently move goods through the city.
   该管状运输系统设计用来高效地通过城市运送货物。
2. 2. Tube transport has been shown to be more energy-efficient than traditional road transport.
   研究表明，管状运输比传统道路运输更节能。
3. 3. In recent years, there has been a growing interest in developing new tube transport technologies for urban areas.
   近年来，对于开发新的城市区域管状运输技术的兴趣日益增长。