14 年前
视频简介
《代号221》以中国第一个核武器研制基地（221厂）为视角，用影像记录中国原子弹、氢弹的研发历史，回望中国核工业在源起、研发和试验等方面取得的重大成就，展现中国核武器科研工作者的精神风貌。。As the Otto family ushers in a new era, Katie and Greg make the emotional decision to sell the family minivan| Daniel suffers a setback that forces him to rethink how to accomplish his goals.。
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