| 1. | Drains which pass under a house must be of cast iron, the most expensive material for pipe drains .
穿过房屋下面的排水管道，必须使用铸铁管，这是排水管所用的最昂贵的材料。 |
| 2. | Replaceable cement pipe , cast iron pipe and steel pipe
可置换水泥管铸铁管和钢管 |
| 3. | Cast - iron pressure pipe centrifugally cast in sand - lined molds
砂型离心铸铁管 |
| 4. | Grey cast iron pipes with rubber ring of ladder - lip - shaped
梯唇型橡胶圈接口铸铁管 |
| 5. | Loose hubbed cast iron pipe flanges for lapped pipe end
管端翻边带颈松套铸铁管法兰 |
| 6. | The use and fixing of the new pattern cast iron drainpipe
新型排水铸铁管的使用及安装 |
| 7. | Cast iron pipes and fittings with flexible joint sewerage
排水用柔性接口铸铁管及管件 |
| 8. | Cast iron fittings for soventr drainage systems
Soventr排水系统用铸铁管件 |
| 9. | A study on water - based coating for centrifugal cast iron tube
离心铸铁管水基涂料的研究 |
| 10. | Cast iron fittings for sovent drainage systems
苏汶特排水系统用铸铁管件 |
