高効率 風力発電
0:23
Added: 4 years ago
From: syota82
Views: 36,711
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  • nice wings

    a10ts 9 months ago

  • You could also power a toy. Japan is serious now. We need renewable energy.

    editer223 11 months ago

  • are the blades backwards?

    DeanC993 3 years ago

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