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接触コーキング改質油ブレンドバージョン 20200529

2020-05-29View Original

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参加する:賞品 1 フォーチュン;正解:賞品 3 富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 本当か間違っているかの質問:ポンプを直列に接続する主な目的は流量を増やすことであり、ポンプを並列に接続する主な目的は揚程を増やすことです。 答え: 間違いは逆転する https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注記:答えは2日後に自動的に発表されます。
Reply #22020-05-29
間違い。渦巻ポンプを直列に接続する目的は揚程を大きくすることであり、並列に接続する目的は流量を増やすことです。

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