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一支笔芯能写多少字
更新时间: 2020-11-16 00:00:00  

一般我们的所写的字号大小是五号字,平均每字长度=8.46划*0.0065M=0.05499m所以书写字数推算的话应该=500m/0.05499=9092.56字差不多,1支欧标中性笔芯可以书写简体汉字1万字左右。

关键词: 笔芯 多少

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