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Steel backbone
Steel backbone丨 Another world first! Weighs 1274 tons! Steel hard dish "10,000 layer cakes", supporting a million kilowatts of hydropower units
world
first
backbone
Steel backbone
02-03
![Steel backbone丨 Another world first! Weighs 1274 tons! Steel hard dish "10,000 layer cakes", supporting a million kilowatts of hydropower units[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)