觀看人次：
850
機器人：人工鑽石除了工業的應用之外，若添加在塗料裡面，噴在物件的表面上，可以增加什麼效果呢？ A、增加強度 B、更耐用 C、不容易破 D、以上皆是 答案是D，你答對了嗎？我們來看影片的解說。
#科學 #能源 #自然 #科技 #氣候
分級:
片長:
發音:
發行:
導演:
分級: 普遍級
片長: 1 min
發音: 華語
發行: 2018-01
導演: 安偉民
片長: 48 min
發行: 2017-06
導演: 美國國家地理頻道 製作
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