铸铁管 | 34 | 17 | 10.2 | 5.1 | 6.8 | 3.4 | - | - | - | - |
球墨铸铁管 | 30 | 15 | 9 | 4.5 | 6 | 3 | - | - | - | - |
铸铁排水管 | 13 | 6.5 | 3.9 | 1.95 | 2.6 | 1.3 | - | - | - | - |
机制井盖 | 5 | 2.5 | 1.5 | 0.75 | 1 | 0.5 | - | - | - | - |
柔性铸铁排水管 | 14 | 7 | 4.2 | 2.1 | 2.8 | 1.4 | - | - | - | - |
球墨铸铁管 | 30 | 15 | 9 | 4.5 | 6 | 3 | - | - | - | - |