A0 1/8:1338*841
A0 1/4:1487*841
A0 3/8:1635*841
A0 1/2:1784*841
A0 5/8:1932*841
A0 3/4:2081*841
A0 7/8:2230*841
A0 1:2378*841
A1工程图纸标准尺寸:841*594A1 1/4:1051*594
A1 1/2:1261*594
A1 3/4:1472*594
A1 1:1682*594
A1 5/4:1892*594
A1 3/2:2102*594
A2工程图纸标准尺寸594*420A2 1/4:743*420
A2 1/2:892*420
A2 3/4:1041*420
A2 1:1189*420
A2 5/4:1338*420
A2 3/2:1487*420
A2 7/4:1635*420
A2 2:1784*420
A2 9/4:1932*420
A2 5/2:2081*420
A3工程图纸标准尺寸:420*297A3 1/2:631*297
A3 1:841*297
A3 3/2:1051*297
A3 2:1261*297
A3 5/2:1472*297