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工芸基礎知識(選択問題)201800303

2018-03-03View Original

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内歯車ポンプは外歯車ポンプとは異なります。 A. 流量の脈動が小さい B. 容積効率が高い C. 吸入性能が良い D. 油の閉じ込め現象が軽微 ヒント:内歯車ポンプの漏れ経路は外歯車式よりも多い。

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