overflow spillway造句

例句与造句

1. The studies may indicate that an earthfill dam with a center concrete gravity overflow spillway section is the most economical, in a wide flat valley .
   方案表明，在宽阔而平坦的河谷内，一种在中间段设置混凝土重试溢洪道的土坝是最经济的。
2. It's difficult to find overflow spillway in a sentence. 用overflow spillway造句挺难的