auxiliary spillway

• 辅助溢洪道

auxiliary spillway的用法和样例：

例句

1. The importance of a safe spillway cannot be overemphasized.
   安全溢洪道的重要性无论怎样强调也不会过分。
2. It is a few projects of crest spillway of rock-fill dam at home and abroad at present.
   摘要目前国内外有关堆石坝坝顶溢洪道的工程实例较少，对其结构设计理论的研究也不多，仅有少量的实验。