The TBM with double shield is a high-speed, security, automated tunnel construction machinery, which was applied in the actual engineering widely.

 
  • 雙護盾掘進(jìn)機是一種高速、安全、自動(dòng)化的隧洞工程施工機械,在實(shí)際工程中得到了廣泛的應用。
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