| 1. | They are laying new sewers along the road .
他们正在沿路敷设新的排水管道。 |
| 2. | I discovered that a lot of imported drainage pipes for the settlement had been tumbled in there .
我看见大量的从外地运来供居民点使用的排水管道，横七竖八的扔在那里。 |
| 3. | 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。 |
| 4. | Several house drains, usually of 10 cm internal diameter and made of fired clay, flow into the street sewer which is of 15～23 cm diameter .
住宅的排水管道通常用若干条内径为10厘米由烧结粘土成制的管道，通往管径1523厘米的街道污水管。 |
| 5. | Drain pipes and percolation pipes - general requirements
排水管道和渗滤管道.一般要求 |
| 6. | Bad , nauseating smells coming from drainpipes into apartments
公寓排水管道发出恶臭。 |
| 7. | Fire stopping collar of pvc - u pipe for building drainage
硬聚氯乙烯建筑排水管道阻火圈 |
| 8. | Sealed board pipe stopper of sewer pipe for the air test
排水管道闭气检验用板式密封管堵 |
| 9. | Crossing canalization for improving capacity of roads
上海市排水管道渗入量调查与修复决策 |
| 10. | A special protection method for underground drainage pipeline
地下排水管道的特殊保护方法 |
