型号 规格 kg/m 型号 规格 kg/m
80x50x20x2.0 2.72 200x50x20x2.5 6.673
80x50x20x2.25 3.886 200x60x20x2.5 7.065
80x50x20x2.5 4.318 200x70x20x2.5 7.458
80x50x20x2.75 4.749 200x80x20x2.5 7.85
80x50x20x3.0 5.181 200x50x20x3.0 8.007
100x50x15x2.25 4.11 200x60x20x3.0 8.478
100x50x20x2.25 4.239 200x70x20x3.0 8.949
100x50x20x2.5 4.71 200x80x20x3.0 9.42
100x50x20x2.75 5.181 220x50x20x2.5 7.065
100x50x20x3.0 5.652 220