当需要开启包装盒时，用大拇指按捺压痕处，盒盖即沿压痕线被撕开。
When the packing box needs opening, the impression is pressed by a thumb, and the box cover can be torn along an impression line.
压折痕和折页时要求使用一个模式纸型系统，因为硬的压痕线会使半透明纸在折页时产生裂痕。
When the pressure of creases and folds require the use of a pattern of printing system, because of indentation line will make translucent paper when in the fold.
啤版是否按工单的要求的结构、尺寸、色位制作，压痕线、刀线、是否弯曲变形，刀口的锋利情况。
Beer version is a work order requests of structure, size and color level, indentation, rounded, bending, knife edge of the sword.
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