問題詳情
161. 制動器的制動功率與摩擦面的面積
(A)成正比
(B)成反比
(C)平方成反比例
(D)無關。
(A)成正比
(B)成反比
(C)平方成反比例
(D)無關。
參考答案
答案:A
難度:適中0.671717
統計:A(133),B(41),C(5),D(8),E(0)
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