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| 2016, Vol. 53(6): 12-17 DOI: | ||
| A Defect Classification and Evaluation System for Existing Railway Tunnels | ||
| (1 China Academy of Railway Sciences, Beijing 100081; 2 China Railway Southwest Research Institute Co. Ltd., Chengdu 611731) | ||
| Received null Revised null | ||
| Supporting info | ||
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