Modification and renovation of old canal systems
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| Format: | Texto biblioteca |
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1971
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| Subjects: | FARMS, CANALS, HYDRAULIC ENGINEERING, IRRIGATION, TAIWAN, PROTECTIVE MATERIALS, PUMPING, COST BENEFIT ANALYSIS, IRRIGATED LAND, YIELDS, INCOME, EXPLOITATION AGRICOLE, CANAL, GENIE HYDRAULIQUE, EXPLOTACIONES AGRARIAS, CANALES, INGENIERIA HIDRAULICA, MATERIAU DE PROTECTION, POMPAGE, ANALYSE COUT AVANTAGE, TERRE IRRIGUEE, RENDEMENT, REVENU, RIEGO, MATERIAL DE PROTECCION, BOMBEO, ANALISIS DE COSTOS Y BENEFICIOS, REGADIO, RENDIMIENTO, RENTA, |
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