 |
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| antipollution standard | |||
| standards for discharge of pollutant | |||
| pollutant emission standard | |||
| pollutant discharge standard; standard for discharge of pollutants | |||
| 污染物排放 标准: 21 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| China | 1 |
| Earth sciences | 1 |
| Ecology | 5 |
| Environment | 3 |
| Hydroelectric power stations | 1 |
| Technology | 6 |
| Water resources | 2 |