| 1. | Drain system and remove valve from piping 从管道上排放系统和拆卸阀门。 |
| 2. | Discussion of water saving measures in water and drain system of building 附红细胞体分类学研究进展 |
| 3. | Easy to fit , can easily be connected to the house draining system 安装容易,可与室内之排水系统连接 |
| 4. | Design and application of siphon type roof rainwater draining system 屋面雨水压力流排水系统的设计应用 |
| 5. | The drain system of tongchang surface mine in dexing copper mine 德兴铜矿大山选厂碎矿系统分析与技术改造 |
| 6. | Specification for polyethylene pipe and fittings for roof drain systems 屋顶排水系统用聚乙烯管道和配件规范 |
| 7. | Standard specification for polyethylene pipe and fittings for roof drain systems 屋顶排水系统用聚乙烯管和配件的标准规范 |
| 8. | Plumbing assistance for clogged water supplies or water draining system and leaking water pipes excluding taps 水管或排水系统淤塞及水管爆裂不包括水头 |
| 9. | The comparison of application between upvc - drainpipe and w flexible joint cast - iron drainpipe in architect drain system 型柔性铸铁管在建筑排水中的应用比较 |
| 10. | Plumbing assistance for clogged water supplies or water draining system , and leaking water pipes excluding taps 水管或排水系统淤塞及水管爆裂不包括水头 |