Lift 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.

Lift 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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Lift 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：671322739
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  • 格式：JPG
  • 作者：sornchai
  • 最大分辨率：3024 x 4032px
  • 最大输出：25.60 x 34.14cm (300dpi) | 106.68 x 142.24cm (72dpi)
关键词
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