5.7 lnvestigation report

所属栏目:中小型水力发电工程地质勘察

5.7.1 The geological investigation report at planning stage shallcover the introduction, general regional geology, engineeringgeological zoning of planned river or its reach, engineeringgeological conditions, natural construction materials, conclusions,su ......(本文共 2492 字 )     [阅读本文] >>


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