34. 下列何組雙軸向應力可求得最大的τmax值?
(A) σx =5MPa,σy =–20MPa
(B) σx =10MPa,σy =– 10MPa
(C) σx =15MPa,σy =0MPa
(D) σx =25MPa,σy =10MPa

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統計: A(15), B(2), C(2), D(5), E(0) #3826941