תוצאות חיפוש - (( water construction ) OR ( water conservation ))*
בתוך החיפוש שלך נושאים מוצעים
בתוך החיפוש שלך נושאים מוצעים
- Water conservation 30
- Design and construction 27
- Soil conservation 20
- Water 8
- Water-supply 6
- Energy conservation 5
- Purification 5
- Soil erosion 5
- Soils 5
- Handbooks, manuals, etc 4
- Hydraulic engineering 4
- Management 4
- Natural resources 4
- Sewage disposal plants 4
- Water resources development 4
- Watershed management 4
- Agricultural engineering 3
- Environmental aspects 3
- Hydraulic structures 3
- Hydroelectric power plants 3
- Irrigation 3
- Organic fertilizers 3
- Plants 3
- Storm sewers 3
- Water treatment plants 3
- Water-supply, Rural 3
- Analysis 2
- Concrete construction 2
- Conservation of natural resources 2
- Dams 2
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In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.
יצא לאור 1989נושאים:Conference Proceeding ספר -
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