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 .

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 . 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 .
  • 素材ID：884777989
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  • 格式：JPG
  • 作者：sornchai
  • 最大分辨率：6000 x 4000px
  • 最大输出：50.80 x 33.87cm (300dpi) | 211.67 x 141.11cm (72dpi)
关键词
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