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迟来的爱情
上传于：2024-12-25
等边角钢理论重量表角钢号数边厚截面面积理论重量角钢号数边厚截面面积理论重量角钢号数边厚截面面积理论重量（MM）（CM2）（KG/M）（MM）（CM2）（KG/M）（MM）（CM2）（KG/M）231.1320.889432.3591.8525.633.3432.62441.4591.14543.0862.42244.393.4462.531.4321.12453.7912.97655.4154.25141.8591.45964.483.5288.3676.568331.7491.3734.532.6592.088655.824.5742.2761.78643.4862.73666.915.4252.782.1854.2923.36989.037.093.542.672.165.0763.9856.344.9783.90753.282.57532.9712.33256.1434.8223.632.1091.65643.8973.05967.2885.72142.7562.16354.8033.7789.5157.46953.3822.65465.6884.4651011.6579.151