短語詞組短語Water Pipe Riser 水管井vertical pipe riser stack 立管flexible pipe riser 柔性立管line pipe riser 普通隔水管riser pipe 升流管;立管豎管;升管inlet riser pipe 入口升流管double riser pipe 雙立管riser pipe pressure drop 立管壓降vertical double riser pipe system 垂直雙立管系統(tǒng) 返回 pipe riser