求购pccp管道管件: PCCP管道 ,DN2200,内压0.8Mpa,埋深2-5m PCCP管道 ,DN2200,内压0.8Mpa,埋深2-5m,铠装接头, PCCP钢制管件Q345C(D2244, t=22mm直管) PCCP钢制管件Q345C(D530,t=10mm排水) PCCP钢制管件Q345C(D720,t=10mm空气阀三通支管) PCCP钢制管件Q345C(D273,t=10mm空气阀支管) PCCP钢制管件Q345C(D720,t=10mm回转盖进人孔) PCCP管道 ,DN3200,内压0.6Mpa,埋深2-5m PCCP管道 ,DN3200,内压0.6Mpa,埋深5-8m PCCP管道 ,DN3200,内压0.6Mpa,埋深2-5m,铠装接头 PCCP钢制管件Q345C(D3260 ,t=30mm弯管) PCCP钢制管件Q345C(D3260, t=30mm直管) PCCP钢制管件Q345C(D720,t=10mm排水) |