問題詳情
15.機械利益與機械效率的定義
(A)是相同的
(B)是不同的
(C)以機械利益的定義較嚴謹
(D)以機械效率的定義較嚴謹
(E)都是以能量的消耗來定義的。
(A)是相同的
(B)是不同的
(C)以機械利益的定義較嚴謹
(D)以機械效率的定義較嚴謹
(E)都是以能量的消耗來定義的。
參考答案
無參考答案
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