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9. 如圖 7 之桁架,試求 DE 桿之桿力為何者?【題組】10.承上題,CE 桿之桿力為何者?(A)90 kN,壓力(B)108 kN,壓力(C)54 kN,拉力(D)108 kN,拉力
問題詳情
9. 如圖 7 之桁架,試求 DE 桿之桿力為何者?
【題組】10.承上題,CE 桿之桿力為何者?
(A)90 kN,壓力
(B)108 kN,壓力
(C)54 kN,拉力
(D)108 kN,拉力
參考答案
答案:D
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