side weir overflow 侧堰溢流

overflow weir [水利] 溢流堰

weir overflow velocity 堰溢流速度

double side weir overflow 双侧堰溢流

side overflow weir 横溢堰

overflow side weir 溢流侧堰

weir type overflow 堰式溢流

low overflow weir 低溢流堰

overflow weir face 溢流坝面