In letterpress, the prepared paper used on the impressioncylinder or platen to increase pressure on solid areas of relief plates.
活版印刷，放于压力圆筒或压板外边的特别准备纸张。以增加印版实地部分的压力。
2
When materials which are to be printed pass between the impressioncylinder and the flexible printing plate on the flexible plate-hanging belt, the printing process is completed.
当被印刷材料通过压印滚筒与柔性挂版带上的柔性印版之间时，完成其印刷过程。
3
Doctor blade: the flexible steel blade on a photogravure press which removes the surplus ink from the face of the cylinder or plate before the impression is made on the paper.