rising pipe meaning in Chinese

出水竖管
上升管
下铸浇口

Flanged steel rising pipes for raising of water - nominal diameter 50 to 200
水位壅高用钢制法兰提升管.工程直径dn 50 - dn 200
Threaded steel rising pipes for raising of water - nominal diameter dn 50 to dn 200
水提升用螺纹钢制提升管, dn 50至dn 200公称直径
Rising pipes with tension proof socket for water raising - part 1 : steel pipes dn 50 to dn 200 , plastic coated
抽水用带抗拉套管的出水竖管.第1部分： dn 50至dn 20