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subdrain | |||
inland drainage; subsoil underdrainage; subsurface underdrainage | |||
ground drain | |||
underground drain | |||
underdrain | |||
subsoil drainage The removal of surplus water from within the soil by natural or artificial means, such as by drains placed below the surface to lower the water table below the root zone (自然或人工的手段,如通过放置在地表以下的水渠,以降低根区以下的水位,从土壤内去除多余的水。) | |||
underground drainage; underdrainage; subsurface drainage; subdrainage; subsoil drain; mole drainage | |||
covered drain; covered drainage; subsurface drain; subsurface draining; subterranean drainage; underground water drainage | |||
subsoil drainage; sub-surface drain | |||
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underdrainage | |||
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subdrainage |
地下排水 : 144 phrases in 16 subjects |