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| 2017, Vol. 54(4): 173-179 DOI: | ||
| Ventilation with a Parallel Adit in a Super-Long Expressway Tunnel with a Large Overburden | ||
| (1 Survey, Design and Research Institute of China Railway Tunnel Group Co. Ltd., Guangzhou 511458; 2 Hunan Provincial Communications Planning, Survey & Design Institute, Changsha 410008) | ||
| Received null Revised null | ||
| Supporting info | ||
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