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工芸基礎知識(選択問題)20180422

2018-04-22View Original

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この投稿は最終的にHP0377によって2018-4-22 08:33に編集されました。遠心ポンプの特性曲線には、流量との関係が示されていません。 A. 打上げ高さ B. 有効動力 C. 必要なキャビテーション余裕量 D. 効率 ヒント:特性曲線には軸動力と流量の関係が示されている。

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