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毎日1問、正解しても賞品なし、娯楽を目的とする

2019-12-13View Original

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41. 転がり軸受と軸頸、および軸受座の穴との隙間を減らすことで、主軸が軸受内での()を減少させることができ、回転精度の向上に寄与する。A、熱膨張量 B、傾斜量 C、跳動量 昨日の問題の答え:A 40.静圧軸受の油膜圧力の形成は、()によって保証される。?A、供給圧力 B、回転速度 C、負荷の大きさ

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