1.Roller streak: a heavy colour line or lines across rhe printed sheets occurred on rhe image areas, caused by the plate inkers set too hard against the plate.
墨辘痕：因版墨辘轳压在版上的力过重，在横过的纸面的印纹上造成的一条或多条线条。
2.Roller streak: a heavy colour line or lines across rhe printed sheets occurred on rhe image areas, caused by the plate inkers set too hard against the plate.