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20171120 1-6 Grade Science Class

Submitted by Valerie on Thu, 11/23/2017 - 23:03

探索雪山隧道的設計與建造科學,以及自己動手做好玩的隧道通風系統創意科學實驗作品。
Introduction to the Science and Engineering of Hsuehshan Tunnel with DIY Tunnel Ventilation System Science Projects.

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