52节拱肋 每节的轮廓尺寸和弧形吊装角度都各有不同 如天工开物一般极其精准地安装 最终拼接成结构体系固定的拱圈 《大国建造》EP06【CCTV纪录】

Open in Podwise to generate AI notes

Sign in to process this episode and unlock summaries, transcripts, highlights and translations.