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兰渝线桃树坪、胡麻岭隧道第三系含水砂岩水文地质条件与围岩稳定性关系研究
Supported by:China railway first survey and design institute group co. LTD
Project Number:11-10-1
Date of Project Completion:2012-06-01
Date of Project Initiation:2010-10-01
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