contracted weir的意思|示意
美 / /
英 / /
收缩溢水口;[水利] 收缩堰
contracted weir相关短语
1、 Contracted-weir 缩流堰
2、 rectangular contracted weir 矩形收缩堰
3、 flatbottomed side contracted weir 平底侧收缩堰