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廣角鏡/水上遙控救生 合肥學童發明的
May 6th 2014, 22:33

安徽合肥小學生示範發明的「水上快速遙控救生裝置」,他表示,有年夏天親眼看到小朋友溺水,可是自己卻不會游泳,因此有了發明這個救生裝置想法。

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