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工芸基礎知識(選択問題)20180305

2018-03-05View Original

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歯車ポンプの回転速度を上げることを制限する主な理由はです。 A.原動機の回転速度を上げるのが難しい B.軸受の負荷が過大になる C.吸込みが困難になる D.オイルトラップ現象が悪化する
Reply #22018-03-05
歯車ポンプの回転速度を上げることを制限する主な理由はです。B A.原動機の回転速度を上げるのが難しい B.ベアリングの負荷が過大になる C.吸込みが困難になる D.オイルトラップ現象が悪化する B

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