B4???(?257mm×?364mm)???????????
???????????PVA????????????
B4????(?364mm×?257mm)?????????1???
??????PVA????????????
A3???(?420mm×?297mm)?????????1???
?????????????????PVA????????????
?420?×?297????????????PVA????????????
?297?×?210???????????
?420?×?297???????????
A3???(?420mm?297mm)
?????????????????????????
A4???(?297mm×?210mm)
?????
B4???(?364mm×?257mm)???????????
257mm×364mm
??????PVA????????????
???????
297mm×210mm
????????????
364mm×257mm
????????????????PVA????????????