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| drinking-water standards | |||
| standard for potable water | |||
| standard of potable water | |||
| drinking water standard | |||
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| drinking water standard | |||
| 饮用水 标准: 27 phrases in 8 subjects |
| Architecture | 1 |
| Ecology | 2 |
| Engineering geology | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Name of organization | 1 |
| Technology | 13 |
| Water resources | 5 |