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  <title>极限挑战</title>
  <originaltitle>极限挑战</originaltitle>
  <showtitle>大国建造</showtitle>
  <season>1</season>
  <episode>1</episode>
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  <plot>本集主要内容： 金安金沙江大桥，主跨1386米，全球跨径最大的山区钢桁梁悬索桥。抗风是这座大桥最关键的技术。纵横全桥的八字形展翅抗风稳定板，可以改变大风走向，分流风力强度，将大风对桥梁的横向作用力降低到最小。阳宝山特大桥，贵州省第一座六车道山区悬索桥。建设者们迎来最艰险的高空作业——钢梁吊装。</plot>
  <runtime>45</runtime>
  <mpaa/>
  <premiered>2021-07-05</premiered>
  <aired>2021-07-05</aired>
  <watched>false</watched>
  <playcount>0</playcount>
  <studio>CCTV-2</studio>
  <studio>China Central Television 中央电视台 (CCTV)</studio>
  <studio>China Global Television Network 中国国际电视台（中国环球电视网）(CGTN)</studio>
  <director tmdbid="2826935">Pan Min</director>
  <dateadded>2026-03-06 20:17:49</dateadded>
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  <english_title>Episode 1</english_title>
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