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| 2022, Vol. 59(1): 118-123 DOI: | ||
| Study on Relationship between Labor Intensity and Oxygen Concentration in High-altitude Tunnel Construction | ||
| (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 Eryuan Engineering Group Co.,Ltd., Chengdu 610031) | ||
| Received 2021-05-10 Revised 2021-07-13 | ||
| Supporting info | ||
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