| |||
drinking supply; drinking water supply | |||
potable water supply | |||
drinking-water supply | |||
| |||
drinking water supply |
饮水 供应 : 16 phrases in 9 subjects |
Architecture | 1 |
Aviation | 1 |
Ecology | 1 |
Hydrology | 1 |
Name of organization | 2 |
Navigation | 1 |
Sports | 1 |
Technology | 4 |
United Nations | 4 |