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ARRANGEMENT FOR CONSTRUCTING ASPHALT-CONCRETE ANTISEEPAGE ELEMENT IN EARTH DAM
ARRANGEMENT FOR CONSTRUCTING ASPHALT-CONCRETE ANTISEEPAGE ELEMENT IN EARTH DAM
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机译:在土坝中构造沥青混凝土防渗元素的布置
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摘要
the invention относитс to гидротехническому construction. the purpose of изобретени - raising противофильтрационного element, production efficiency and reduce construction cost. the device consists
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