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| природоохранная технология | |||
| экологичная технология | |||
| экотехнология | |||
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环境技术 : 54 phrases in 9 subjects |
| Ecology | 2 |
| Education | 1 |
| Electronics | 3 |
| Environment | 2 |
| Firefighting and fire-control systems | 1 |
| General | 10 |
| Name of organization | 1 |
| Technology | 1 |
| United Nations | 33 |
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