表2-3-5其他門(mén)窗用鋁型材(續(xù)表)型號(hào)截面面積/cm2重量/(kg/m)型號(hào)截面面積/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 (共 338 字) [閱讀本文] >>