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工芸基礎知識(選択問題)20180211

2018-02-12View Original

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構造上の対策を講じてオイルトラップ現象が発生するのを防ぐ必要があるポンプは、です。 A.ギアポンプ B.往復ポンプ C.ブレードポンプ D.A+C
Reply #22018-02-12
構造上の対策を講じてオイルトラップ現象が発生するのを防ぐ必要があるポンプは、です。 A.ギアポンプ B.往復ポンプ C.ブレードポンプ D.A+C
Reply #32018-02-12
それは本当にわかりません。私は*を学びに来たんです

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