 |
| |||
| combined sanitary and storm water transport system | |||
| combined sewerage system; combined sewer system | |||
| общесплавная канализационная система: 3 phrases in 3 subjects |
| Ecology | 1 |
| Energy industry | 1 |
| Water supply | 1 |
|
| |||
| combined sanitary and storm water transport system | |||
| combined sewerage system; combined sewer system | |||
| общесплавная канализационная система: 3 phrases in 3 subjects |
| Ecology | 1 |
| Energy industry | 1 |
| Water supply | 1 |