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| 2022, Vol. 59(5): 118-124 DOI: | ||
| Research on Ventilation Flow Field in Multi-working Face Construction of Super-long Gas Tunnels | ||
| （1. China Railway Construction Kunlun lnvestment Group Co.Ltd., Chengdu 610031; 2. Key Laboratory of Transportation Tunnel Engineering, Southwest Jiaotong University, Chengdu 610031) | ||
| Received null Revised null | ||
| Supporting info | ||
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