Definition(s)
1) Removal of groundwater or surface water, or of water from structures, by gravity or pumping. 2) The discharge of water from a soil by percolation (the process by which surface water moves downwards through cracks, joints and pores in soil and rocks). (Source: GEMET - MGH / WHIT)
التدرج
Broader: استصلاح الأرض
In other languages
English
drainage
French
drainage
روسية
дренаж
Spanish
drenaje
صينية مبسطة
排水
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