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工芸基礎知識(選択問題)20180814

2018-08-14View Original

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この投稿は、2018年8月14日08:00に「青涩年华」によって最終的に編集されました。交換用方向弁の特徴としては、以下のものがあります。 A.壊れやすい B.動作周波数が高い C.寿命が短い D.AとB
Reply #22018-08-14
ガチョウはBです
Reply #32018-08-14
交流切替バルブの特徴は以下の通りです。 D.AとB
Reply #42018-08-14
    A.壊れやすい      

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