Water-pumping devices : A handbook for users and choosers

The book surveys the water-lifting technologies which are available and appropriate for smllholdings - defined here as areas up to twenty-five hectares - and produces detaled guidance on the suitability of different methods of water-lifting in differents situations. Human-and animal-power; internal...

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Hlavní autor: Fraenkel, Peter
Médium: Kniha
Jazyk:Undetermined
Vydáno: London Intermediate Technology 1986
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Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ