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water purification
| project
| water purification | |
| auto. | 水净化 |
| environ. | 水净化 |
| hydroel.st. | 水的净化 |
| tech. | 净水法; 水净化; 给水净化; 给水处理; 水净化处理 |
| project | |
| environ. | 项目 |
| |||
| 水净化提纯 | |||
| 水的净化 | |||
| 净水法; 水净化 (作用); 给水净化; 给水处理; 水净化处理 | |||
| 水净化 | |||
| |||
| 水净化 (任何清除或中和不需要的水中杂质的过程。) | |||
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water purification project : 90 phrases in 19 subjects |
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