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【毎日一問】ポンプ機器技術交流版20180323

2018-03-23View Original

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参加:賞3財富;正解:報酬10富;注:48時間以内に正しく回答すると10財富が報酬として与えられます。この投稿の有効期限は48時間です。 選択問題:調速水ポンプに前置ポンプを設置する目的は( )。. A、衝撃の防止 B、騒音の防止 C、キャビテーションの防止 D、加圧 正解:C https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg
Reply #22018-03-23
C、店長は各問の答えの後に説明を追加してもらえますか?

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