【毎日のテーマ】【電気版20160522】

2016-05-23View Original

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参加報酬：2財富。正解の報酬：9富　正誤判定：中性線はアース線です。（）

Reply #22016-05-23

正誤判定：中性線はアース線です。（間違い）

Reply #32016-05-23

間違っている、×~~~~~~~~

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【毎日のテーマ】【電気版20160522】

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