ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2017, Vol. 37 ›› Issue (8): 1049-1054.

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ZHENG Zongxi,SUN Qiqing   

  1. China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, Sichuan, China
  • Online:2017-08-20 Published:2017-08-22