觀看人次：
658
機器人：飛機的機翼與橋梁的建材，為什麼用奈米碳管來做會比傳統材料好呢？ A、成本低 B、重量輕拉力又強 C、奈米碳管的材料很多 答案是B，你答對了嗎？我們來看影片的解說。
#科學 #能源 #氣候 #科技 #自然
分級:
片長:
發音:
發行:
導演:
分級: 普遍級
片長: 24 min
發音: 華語
發行: 2013-01
導演: 導演:瑪拉歐斯
片長: 1 min
發行: 2018-01
導演: 安偉民
片長: 22 min
發音: 英語
發行: 2019-04
導演: 史提夫斯潘格勒 主持
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