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| 扩散式曝气［法］ | |||
| 扩展曝气; 扩散式曝气法 | |||
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diffused aeration : 18 phrases in 5 subjects |
| Earth sciences | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Technology | 14 |
| Water resources | 1 |
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