| 1. | Standard specification for ductile iron gravity sewer pipe
球墨铸铁污水管标准规范 |
| 2. | Gravity sewer system
引力污水渠系统 |
| 3. | Test method for installation acceptance of plastic gravity sewer lines using low - pressure air
使用低压空气对塑料自流排水管道安装验收方法 |
| 4. | Test method for installation acceptance of plastic gravity sewer lines using low pressure air
使用低压空气对塑料自流排水管道进行安装验收的试验方法 |
| 5. | Standard practice for selection of gravity sewers suitable for installation of optical fiber cable and conduits
适合于铺设光缆和导管的重力下水道选择的标准实施规范 |
| 6. | Based on the activated sludge model no . 1 , and a sewer model , which was put forward by t . hvitved - jacobsen in 1998 , and combined with reactor principles , a sewage quality mathematical model was proposed in gravity sewer
本文在解析活性污泥1号模型( asm1 )和hvitved - jacobsen排水管道模型的基础上，结合反应器原理，建立了重力流排水管道内水质变化数学模型。 |
