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【動設備技術交流版】動設備【毎日一題】20201009

2020-10-09View Original

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この投稿は最後にwyr261によって2020-10-9 09:15に編集されました。1. フィラー密封とは、( )密封の一種です。A.迷路 B.非接触式 C.浮環 D.接触式 答え:D 電動機器セクションの毎日一問キャンペーンが再開しました :victory: 返信によって5~15ポイントの報酬が与えられます。フォーラムの発展に積極的にご参加いただき、応援してください!!!

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