overflow weir and scum hopper的意思|示意
美 / /
英 / /
溢流堰和浮渣漏斗
overflow weir and scum hopper的网络常见释义
溢流堰及排渣斗 ... 溢流堰及排渣斗overflow weir and scum hopper 稳流筒distribution flow tube 进水柱infall column ...