双头螺柱 bm=2d-九游游戏app官方

m2 m2.5 m3 m4 m5 20 19.4 21 23 29.6 33.3 25 20.2 22 24.4 32 36.9 30 21 23 25.8 34.6 40.7 40 22 25 28.8 39.6 48.1 45 22.6 26 30.2 42.2 51.7 50 23.2 27 31.6 44.6 55.4 55 23.8 28 33 47.2 59 60 24.4 29 37 49.8 62.6 65   29.8 40.4 52.4 66.6 70   30.8 43.6 54.8 70.2 75   31.8 46.8 57.4 73.8 80   32.8 50 61 77.6 90     56.4 68.6 85 100     63.6 74.6 92.3 110     67.6 79.6 99.7 120     71.4 83.4 109 130     75.4 87.4 114 140         122 150         129 160         136 180         151