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 with Ventilation pipe for confined space area

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 with Ventilation pipe for confined space area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 with Ventilation pipe for confined space area
  • 素材ID：884777939
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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
背景工作机器钻孔重型成功材料城市地下岩石机械打开大工业工程钻头工程师接待处测量员镗孔业务基础设施起重机工作场所机械化构建地铁现场行业设备管道工单结构头盔交通运输施工技术隧道混凝土续订劳动力工具采矿线波兰

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