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| sanitary protection zone (источников водоснабжения, водоёмов) | |||
drinking water protective area; protective sanitary zone; zone of sanitary protection (скважины); Water source protection area (Water source protection area on the Three Gorges Reservoir in Maoping Town, Zigui County, Hubei, China  wikipedia.org mightymads) | |||
| protective sanitary zone (источника питьевого водоснабжения); sanitary protection zone (источников водоснабжения или водоёмов) | |||
| zone of protection; protective area; protection area | |||
| sanitary protection zone | |||
| protective sanitary zone (водного источника для питьевого водоснабжения) | |||
| зона санитарной охраны: 8 phrases in 4 subjects |
| Energy industry | 1 |
| General | 3 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 2 |