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問題 機器人：你知道下列哪一種引擎是既環保，又不會排放廢氣呢？ A、柴油引擎 B、氫氣引擎 C、汽油引擎 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: 1 min
發音: 華語
發行: 2018-01
導演: 安偉民
片長: 22 min
發行: 2015-06
導演: 翰星傳播製作
片長: 83 min
發行: 2019-01
導演: 監製：公共電視台導演：中山宙
片長: 24 min
發行: 2013-01
導演: 導演:瑪拉歐斯
片長: 52 min
發行: 2016-01
導演: 製作：百禾文化資訊有限公司 導演：艾力克斯海明威(Alex Hemingway)
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