At the same time, keep checking the prints look back on the phenomenon of inviscid dirty, g larger, with a thick layer of ink prints should take dusting and air the splint.

• 同时，答必然夺目查抄印品，查察其背后有无粘不净本体，不差图文面积较不小、不朱层较薄的印品，答拔取喷粉和晾夹板步调。