| 1. | Quality standards selected depend on intended use of the water .
水质标准的选择取决于水的预定用途。 |
| 2. | Quality objectives must be set, and quality of water must be maintained .
所以，必须建立水质标准，并坚持水质要求。 |
| 3. | Drinking water quality standard of advanced countries
先进国家饮用水水质标准限值 |
| 4. | Maximum contaminant level in advanced countries
先进国家饮用水水质标准限值 |
| 5. | Water quality standard for drinking water source
生活饮用水水源水质标准 |
| 6. | Discharge standard for municipal wastewater
污水排入城市下水道水质标准 |
| 7. | Limit value of drinking water quality standards
饮用水水质标准限值 |
| 8. | Water quality standards for fine drinking water
饮用净水水质标准 |
| 9. | Water quality standard for fine drinking water
引用净水水质标准 |
| 10. | Water quality standards for urban water supply
城市供水水质标准 |
