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工芸基礎知識(選択問題)20180425

2018-04-25View Original

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この投稿は最後にHP0377によって2018-4-25 07:49に編集されました。工程基礎知識(選択問題)20180425:遠心ポンプと往復ポンプを比較した場合、それが主な特徴です。A. 流量が不均一 B. 自吸能力が低い C. 不純物を含む汚水は送液できない D. 管理・メンテナンスが面倒
Reply #22018-04-25
C. 不純物を含む汚水は送液できない
Reply #32018-04-25
A. 流量が不均一、D. 管理・メンテナンスが面倒
Reply #42018-04-25
遠心ポンプは往復ポンプと比較して、それが主な特徴です。 B. 自吸能力が低い

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