books تصريف المياه
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# drainage networks
# drainage basin
# drainage buildings
# drainage system
# drainage garden
# Drainage network design
# Rain water drainage
# Drainage depth
# Drainage systems patterns
# drainage well
# drainage area
# drainage systems
# Drainage buildings in Asmiyat
# Groundwater drainage
# Drainage ditches sustainability
# drainage and land reclamation
# drainage basins in china
# Drainage channels and pipes
# Drainage basins in Brazil
# Irrigation water drainage
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Source: wikipedia.org
تصريف المياه (Info)
التصريف هو التخلص من المياه السطحية بشكل طبيعي أو بفعل الإنسان. ومعناها لغة صرف الشيء أي أبعده، وتصريف الماء لغة انصرافه.
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