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| 2019, Vol. 56(3): 133-138 DOI: | ||
| Construction Technology for the Shaft of Extra-long Micangshan Tunnel | ||
| (1 Sichuan Bashan Expressway Co., Ltd. Chengdu 610041; 2 Sichan Vocational and Technical College of Communications, Chendu 611130; 3 China Railway Southwest Research Institute Co., Ltd., Chengdu 611731; 4 China Railway Academy Co., Ltd., Chengdu 610031; 5 Sichuan Chuanjiao Road & Bridge Co., Ltd., Guangyuan 618300) | ||
| Received null Revised null | ||
| Supporting info | ||
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