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密封线电机及拖动（第二版）aA卷答案一、单选题（每题94分）1.B2.A3.B4.C5.A6.C7.B8.A9.B10.C11.B12. A13. A14.B15.B16.C17.D18.C19.A20.B21.B22.B23.C24.C25.A26.D27.C28.B29.D30.D31.D32.A33.C34.A密封线35.C36.C37.C38.C39.A40.C41.C42.D43.C44.B45.D46.B47.B48.D49.B50.A51.C52.A53.D54.D55.B56.C57.C58.B59.B60.C61.B62.D63.A64.D65.B66.D67.C68.D69.D70.C71.C密封线72.C73.D74.C75.D76.D77.D78.A79.A80.D81.A82.B83.B84.C85.C86.B87.C88.B89.B90.D91.B92.C93.C94.C
