在您的搜寻 主题建议
在您的搜寻 主题建议
7
Hydroelectric power plants
1
Economic conditions
1
Economic policy
1
Electric utilities
1
Environmental aspects
1
Government policy
1
Grain
1
Grain trade
1
Hydraulic turbines
1
Labor productivity
1
Milling
1
Power supply
1
Rural electrification
1
Social aspects
1
Social conditions
1
Social policy
1
Water-power
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1Winnipeg, Manitoba Hydro.v. ill. (some col.), graphs (some col.) 28 cm.主题: “...Hydroelectric power plants Manitoba....”
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2由 Denis, Leo Germain, 1878-
出版 1911Ottawa : Mortimer Co., 1911.397 p., [58] leaves of plates (some fold.) : ill., maps ; 25 cm.Online versions also available.主题: “...Hydroelectric power plants Canada....”
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3由 Baumeler, Joseph
出版 1987Grüsch : Rüegger, c1987.xxi, xviii, 520 p. : ill. ; 21 cm.主题: “...Hydroelectric power plants Switzerland Case studies....”
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4Vladivostok : Dalʹnauka, 2001.87 p. : ill. ; 20 cm.主题: “...Hydroelectric power plants Social aspects Russia (Federation) Russian Far East....”
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5出版 19491949-1986.21 items : ill., maps.主题: “...Hydroelectric power plants El Salvador....”
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6由 Häuptli, Rudolf, 1955-
出版 1996Frankfurt am Main ; New York : P. Lang, c1996.303 p. : maps ; 21 cm.主题: “...Hydroelectric power plants Brazil São Francisco River....”
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7出版 1987Kathmandu, Nepal : Agricultural Development Bank, Evaluation Division, 1987.112 p. : maps ; 29 cm.主题: “...Hydroelectric power plants Nepal....”