无效 发表于 2025-3-28 15:50:03
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River Basin Management In The Upper And Middle Odra Riverignificant factors, has never been undertaken anywhere in the world, although various ‘action programmes’ have allowed transnational initiatives to develop in a coherent way (e.g. Dieperink, 1993). Conspicuously absent from integrated approaches are elements of:Insubordinate 发表于 2025-3-28 22:59:31
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Some Experience in Rehabilitation of Urban Drainage Infrastructure and Sewage Treatment Systems in Ge treatment plants in the former DDR were extremely poor. The existing drainage systems had hydraulic as well as structural problems. In some large cities such as Dresden parts of the sewer systems were blocked by sediments, so that the hydraulic capacity was in some parts reduced to the dry weather flow.REIGN 发表于 2025-3-29 18:24:44
http://reply.papertrans.cn/32/3131/313004/313004_47.png小臼 发表于 2025-3-29 22:25:15
1431-7141 n revealed widespread environmental and safety short comings in relation to industrial operations, mining and other human activities. It was the purpose of this Advanced Research Workshop, sponsored by NATO, to bring together a group of eminent experts from East and West in order to present and ana引水渠 发表于 2025-3-30 02:18:44
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