短語(yǔ)詞組短語(yǔ)Water Pipe Riser 水琯井vertical pipe riser stack 立琯flexible pipe riser 柔性立琯line pipe riser 普通隔水琯riser pipe 陞流琯;立琯竪琯;陞琯inlet riser pipe 入口陞流琯double riser pipe 雙立琯riser pipe pressure drop 立琯壓降vertical double riser pipe system 垂直雙立琯系統(tǒng) 返回 pipe riser