The drill head of tunnel boring machine into the construction shaft using a crane. Engineer and technician to control the method of lifting machinery underground.

The drill head of tunnel boring machine into the construction shaft using a crane. Engineer and technician to control the method of lifting machinery underground.图片
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会员专享The drill head of tunnel boring machine into the construction shaft using a crane. Engineer and technician to control the method of lifting machinery underground.
  • 素材ID：697959941
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  • 格式：JPG
  • 作者：sornchai
  • 尺寸：
    S1000 x 666px · 35 x 23cm · 72dpi
    M2300 x 1533px · 81 x 54cm · 72dpi
    L4000 x 2666px · 33 x 22cm · 300dpi
    F6000 x 4000px · 50 x 33cm · 300dpi
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