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【毎日のテーマ】【電気版20160615】

2016-06-15View Original

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参加報酬:2財富。正解の報酬:9富 正誤判断:真空遮断器とは、接点が高真空状態で回路を切断する遮断器のことです。それが使用する絶縁媒体および消弧媒体は高真空である。
Reply #22016-06-15
正しい、√~~~~~~~
Reply #32016-06-15
真空遮断器とは、高真空下で接点によって回路を遮断する遮断器のことです。それが使用する絶縁媒体および消弧媒体は高真空である。(V)

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