3416| 7
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這個(gè)手電筒是如何存儲(chǔ)電能的? |
點(diǎn)評
沒有電池,,它是手動(dòng)發(fā)電的,一下下的握
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點(diǎn)評
如果是這樣那么就明白了,,這么個(gè)小東西電力能挺那么久
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