| 1. | The sewer lines may then become clogged with inert materials .
废水管路可能被这种惰性物质堵塞。 |
| 2. | The sewer lines run under this neighborhood , too , doctor
下水道也贯通这一区，医生 |
| 3. | A seamstress and a sewer fell down into a sewer line
一位女裁缝和一位缝纫师掉进了下水沟。 |
| 4. | Standard practice for testing concrete pipe sewer lines by low - pressure air test method
低压空气试验法测试混凝土污水管道的标准实施规程 |
| 5. | 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 |
| 6. | Standard practice for testing concrete pipe sewer lines by low - pressure air test method metric
低压空气试验法测试混凝土污水管道标准实施规程 |
| 7. | Standard practice for joint acceptance testing of installed precast concrete pipe sewer lines
已安装的预制混凝土污水管线的接头验收试验的标准规程 |
| 8. | Standard practice for joint acceptance testing of installed precast concrete pipe sewer lines metric
已安装的预制混凝土污水管线的接头验收标准规程 |
| 9. | 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 |
| 10. | Standard practice for infiltration and exfiltration acceptance testing of installed precast concrete pipe sewer lines
安装的预制混凝土污水管道的表面渗入和渗出的验收检验的标准实施规程 |
