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| percolation | |||
| seepage | |||
| ground water flow | |||
| 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 | |||
| percolation: 32 phrases in 15 subjects |