5.其他门窗用铝型材(GB 5237.1～6—2004)

表2-3-5其他门窗用铝型材(续表)型号截面面积/cm2重量/(kg/m)型号截面面积/cm2重量/(kg/m)J×C-49J×C-33J×C-34J×C-35J×C-37J×C-38J×C-39J×C-73J×C-83J×C-842.6595.773.343.1252.523.473.460.6522.734.990.7181.561.040.840.680.940.9331.760.7381.347J×C-87J×C-88J×C-89J×C-90J×C-9 ......（本文共 338 字 , 1 张图）     [阅读本文] >>