Engineers wear helmet, vests safety .Technician control underground tunnel construction at working shaft to maintenance of Water supply pipe by Tunnel Boring Machine(TBM) method for train.

Engineers wear helmet, vests safety .Technician control underground tunnel construction at working shaft to maintenance of Water supply pipe by Tunnel Boring Machine(TBM) method for train.图片
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Engineers wear helmet, vests safety .Technician control underground tunnel construction at working shaft to maintenance of Water supply pipe by Tunnel Boring Machine(TBM) method for train.
  • 素材ID：697959965
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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)
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