問題詳情
10.有一正齒輪,模數為 2,齒數為 80 齒,則其節圓直徑為何?
(A)156 mm
(B)160 mm
(C)164 mm
(D)168 mm
(A)156 mm
(B)160 mm
(C)164 mm
(D)168 mm
參考答案
答案:B
難度:簡單0.8
統計:A(0),B(44),C(6),D(2),E(0)
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