内容介绍：臂长(m)工作幅度5 6 7 8 9 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 6018 150.0 133.0 115.0 94.2 78.5 67.2 52.0 42.2 35.5215.4mx 131.4t126.0 114.8 94.0 78.3 67.0 51.8 42.0 35.