68.一圓軸長L,圓軸單位長度之扭轉角為θ,扭矩為T,圓軸之剛性模數為G,圓軸直徑D,截面極慣性矩為J,則此軸之總扭角為:
(A)T/(GJ)
(B)(GJ)/T
(C)(TL)/(GJ)
(D)(GJ)/(TL)

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統計: A(16), B(22), C(148), D(14), E(0) #583095