天气预报 > 其他 > 4开纸和a3的尺寸分别是多少
4开纸和a3的尺寸分别是多少
更新时间: 2020-11-03 00:00:00  

4开纸的尺寸是正度389mm*546mm,大度444mm*597mm,而且4开纸等于2两张a3纸;a3的尺寸是297mm*420mm,所以4开的纸小于a3的纸。

纸是用植物纤维制造,能任意折叠用来书写的片状物。纸是书写、印刷的载体,也可以作为包装、卫生等其他用途;由于纸的发明和推广,才使人类可以不再用泥、石、木、陶、金属等材料记录文字或图画,也使古代大量信息得到传播和保存。

关键词: a3 尺寸 别是 多少

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