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| 2016, Vol. 53(6): 44-48 DOI: | ||
| Study on the Labor Intensity Classification Standard for Critical Construction Procedures of High-Altitude Tunnels | ||
| (1 School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031; 2 Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu 610031;3 China Railway Erju Second Engineering Co. Ltd., Chegndu 610091) | ||
| Received null Revised null | ||
| Supporting info | ||
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