問題詳情
901.有一單式輪系，分別由A輪、惰輪及B輪組成，輪系值為＋5，若A為主動輪，轉速為100rpm，則B輪之轉速為____rpm
(A)
(B)
(C)
(D)500。
(A)
(B)
(C)
(D)500。
參考答案
答案：D
難度：簡單0.808696
統計：A(9),B(3),C(4),D(93),E(0)
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