37. 有一桁架系統承受載重如右圖所示，請問桁架中零桿個數3m為多少？ (A) 1(B) 3(C) 5(D) 7

問題詳情

37. 有一桁架系統承受載重如右圖所示，請問桁架中零桿個數3m為多少？

(A) 1
(B) 3
(C) 5
(D) 7

參考答案

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