镀锌钢板理论重量厚度(mm)理论重量(kg/㎡)厚度(mm)理论重量(kg/㎡)厚度(mm)理论重量(kg/㎡)0.21.570.755.891.814.130.251.960.86.28215.70.32.360.97.072.217.270.352.7517.852.519.360.43.141.18.642.821.980.453.531.29.42323.550.53.931.310.213.225.120.554.321.410.993.527.480.64.711.511.783.829.830.655.11.612.563.930.620.75.51.713.35431.44.555.56735.3339.2543.1847.1654.951618202224125.6141.3157172.7188.43840424445298.3314329.7345.4353.25