thin-arch dam

例句：

1. 1. The thin-arch damis a type of dam that usesa thin shell to contain water.
   薄壁拱坝是一种使用薄壳来容纳水的坝型。
2. 2. The thin-archdam was built to store floodwatersduring heavy rainfall.
   薄壁拱坝是为了在大雨时储存洪水而建造的。
3. 3.The thin-arch dam is aninnovative design that has been tested in variousrivers around the world.
   薄壁拱坝是一种创新的设计，已经在世界各地的河流中进行了测试。