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工芸基礎知識(選択問題)20181102

2018-11-02View Original

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この投稿は、2018年11月2日 08:34にHP0377によって最終的に編集されました。ピストン式冷凍圧縮機のシリンダーヘッドの下には、太めのスプリングがありますが、その役割はです。 A.排気圧力の過度な上昇を防ぐ B.液体衝撃による機械の損傷を防ぐ C.A+B D.振動吸収
Reply #22018-11-02
C.A+B#こちらで迅速に返信#

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