18 Nov 2025
1h 26m
【Full】中国人用玄武岩织出国旗？1公斤碳纤维板吊起46吨重物！看“新材料”如何支撑大国制造 | CCTV「中华考工记」20251102 新材料篇 第5期
CCTV中国中央电视台
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