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biological filter media
| plugging
| biological filter media | |
| tech. | 生物滤池填料; 生物滤池滤料 |
| Plugging | |
| hydroel.st. | 堵塞 |
| plugging | |
| desert. | 钻孔回填 |
| hydroel.st. | 封堵 |
| met. | 堵料 |
| roll. | 芯棒辗轧 |
| sport, bask. | 猛力传球 |
| steel. | 加盖; 封顶 |
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| 生物滤池填料; 生物滤池滤料 | |||
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biological filter media plugging : 6 phrases in 1 subject |
| Technology | 6 |
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