圖示應(yīng)力狀態(tài)的三個主應(yīng)力是()。
A.98.84MPa,-98.94MPa,-100MPaB.78.84MPa,-88.94MPa,-100MPaC.98.84MPa,-88.94MPa,-100MPaD.98.84MPa,-88.94MPa,-200MPa