This paper analyzed the effect of pressure, water flow, and time factors in ink grinding process on the grinding quality of ink, and then analyzed the influence to the offset printing density.
从油墨研磨的角度出发，分析油墨研磨过程中压力、水流量、时间因素对研磨出来的油墨质量的影响，进而分析其对胶印印刷品密度的影响。
With this foundation in place, one then attends to posture: grinding the ink stick evenly, holding the brush neither too tightly nor too loosely.
然后要注意写字的姿势：磨墨应端端正正，握笔要不松不紧。
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