调幅前M 0.85调幅后M 调幅后M Mmax FG4 0.69 0.59 GF4 14.41 12.25 GH4 98.06 83.35 HG4 87.97 74.77 FG3 2.02 1.72 GF3 5.77 4.90 GH3 98.63 83.84 HG3 85.21 72.43 FG2 1.58 1.34 GF2 7.05 5.99 GH2 93.85 79.77 HG2 86.89 73.86 FG1 1.35 1.15 GF1 7.93 6.74 GH1 88.69 75.39 HG1 82.77 70.35 38.98 3.32 187.68 2.38 126.00 2.38 124.96 2.38 122.72 124.96 0.89 122.72 3.32 48.00 2.38 41.33 2.38 38.98 2.38 4 3 2 1 截面 0.50 187.68