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| 人口当量 | |||
| 人口当量指城市生产废水的生化需氧量，用每人每天排出的生化需氧量来除，即得出人口当量 | |||
| 人口当量工厂污水量换算为普通人口的污水量 | |||
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| p.e. (ВВладимир) | |||
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population equivalent : 10 phrases in 7 subjects |
| Demography | 3 |
| Earth sciences | 1 |
| Environment | 1 |
| General | 1 |
| Metallurgy | 1 |
| Technology | 2 |
| Water resources | 1 |
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