A.ASMEB31G B.ASMEB31.8 C.ASMEB31.8S D.ASMEB31.3
A.最小應(yīng)力/最大應(yīng)力 B.最大應(yīng)力/最小應(yīng)力 C.應(yīng)力平均值/最大應(yīng)力 D.應(yīng)力幅值/最大應(yīng)力
A.r(-1/2)階 B.r-1階 C.r(-3/2)階 D.r-2階