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| percolation | |||
| ground water flow | |||
| seepage | |||
| water seepage; infiltration; water seepage The slow movement of water through small openings and spaces in the surface of unsaturated soil into or out of a body of surface or subsurface water | |||
| percolation of water; filtration; seeping | |||
| "heat soak" one of the modes of the test cycle; vapour lock petrol engine | |||
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percolation : 32 短语, 15 学科 |
| 冶金 | 2 |
| 化学 | 3 |
| 医疗的 | 2 |
| 国际货币基金组织 | 1 |
| 土壤科学 | 2 |
| 地球科学 | 4 |
| 建造 | 1 |
| 技术 | 1 |
| 数学 | 1 |
| 水文学 | 1 |
| 水资源 | 1 |
| 环境 | 3 |
| 生命科学 | 3 |
| 经济 | 2 |
| 自然资源和野生动物保护 | 5 |