An old dam nearing the end of its life reveals its curved steel plates installed to reinforce its crumbling concrete pillars beneath the footbridge dotted with safety cones. Mitis Dam, Quebec, Canada.
素材ID:1711145975

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  • 格式:MOV
  • 时长:00:32
  • 作者:G
  • 最大分辨率:3840 x 2160px

关键词

体系结构能源电源行人天桥注意事项装修钢筋加强有风险水力发电破旧不堪恢复已过时大坝支柱森林衰变结构安全施工侵蚀圆锥体安全混凝土破旧