steam canal

例句：

1. 1.The steam canal connects the two cities, allowing for efficient transportation of goods.
   蒸汽运河将两个城市连接起来，实现了货物的高效运输。
2. 2. The construction of the steam canal has greatly improved the efficiency of water transportation in the region.
   蒸汽运河的建设大大提高了该地区水运的效率。
3. 3.The steam canal is a symbol of technological advancement and modernization in China.
   蒸汽运河是中国技术进步和现代化的象征。