短語(yǔ)詞組短語(yǔ)major cycle principal stress 最大主應(yīng)力major cycle principal stress arch 最大主應(yīng)力拱major principal stress arch 大主應(yīng)力拱orientation of major principal stress 總主應(yīng)力方向Principal stress major 最大主應(yīng)力 返回 major principal stress