| 1. | Sewerage systems are either "separate" or "combined" .
排水系统有“分流制”和“合流制”。 |
| 2. | The acid waste waters are discharged into a sump or the sewerage system .
酸性废水被送往销毁池或阴沟系统。 |
| 3. | Sewerage systems are either " separate " or " combined "
排水系统有“分流制”和“合流制” 。 |
| 4. | Vacuum sewerage systems outside buildings ; german version en 1091 : 1996
建筑物外真空排污系统 |
| 5. | Pressure sewerage systems outside buildings
建筑物外部压力排水系统 |
| 6. | Pressure sewerage systems outside buildings ; german version en 1671 : 1997
建筑物外压力排污系统 |
| 7. | Pressure sewerage systems outside buildings
建筑物外压力污水系统 |
| 8. | Vacuum sewerage systems outside buildings
建筑物外真空排水系统 |
| 9. | The construction of a modern sewerage system in tokyo dates back to 1884
东京的现代排水系统工程开始于1884年。 |
| 10. | Unplasticized polyvinyl chloride pipes for buried drainage and sewerage systems
埋地排污废水用硬聚氯乙烯pvc - u管材 |
