 |
| |||
| feed-water main; supply main; water main; service main; water supply main pipe | |||
| 供水总管: 5 phrases in 4 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Hydroelectric power stations | 1 |
| Technology | 2 |
|
| |||
| feed-water main; supply main; water main; service main; water supply main pipe | |||
| 供水总管: 5 phrases in 4 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Hydroelectric power stations | 1 |
| Technology | 2 |