ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2021, Vol. 41 ›› Issue (8): 1428-.

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Statistics on Annual Data of Full-Face Tunnel Boring Machine Industry in China in 2020

SONG Zhenhua   

  1. (Boring Machine Branch of China Construction Machinery Association, Shanghai 200235, China)
  • Online:2021-08-20 Published:2021-09-06