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機器人：買日光燈管時會發現有分為T5和T9兩種，你知道它的數字是代表什麼意思呢？ A、價錢 B、編號 C、直徑 答案是C，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: 23 min
發行: 2015-06
導演: 翰星傳播製作
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