【毎日のテーマ】【電気版20160531】

2016-06-01View Original

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参加報酬：2財富。正解の報酬：9富　正誤判断：事故用の音響に使われているのは電鈴（）

Reply #22016-06-01

事故用の音響には電鈴が使われている。そうだ

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【毎日のテーマ】【電気版20160531】

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