发布时间:2025-01-20 12:14:58
42×59.4厘米。在国际通用标准中,a2规格的纸张大小尺寸为420×594mm,通过长度单位换算1cm=10mm,所以a2尺寸是42×59.4cm厘米。其他的纸张规格有A0尺寸为841mm×1189mm,幅面面积为1平方米;B0的尺寸为1000mm×1414mm,幅面面积为2.5平方米等。
请问有一个人给你一封信要你给30个人如果没有给到午夜时分就会有人在床底下是真的吗
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