10•某一材料斷面如右圖所示,試計算該斷面對形心軸X之迴轉 半徑仏為何?
(A)phplCh0ZE
(B)phpF5Tccd
(C)phpyLgG57
(D)phpTMHMl3phpeEvWHX

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統計: A(1), B(3), C(2), D(21), E(0) #1778968