width at dam crest

例句：

1. 1. The bridge is wide enough to accommodate a large number of cars.
   这座桥足够宽，可以容纳大量的汽车。
2. 2. The width of the river varies greatly depending on the season.
   河流的宽度根据季节有很大的变化。
3. 3. The width of the roadway is crucial for safety.
   道路的宽度对于安全至关重要。