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一吨纸等于多少令
更新时间: 2020-11-04 00:00:00  

一吨纸等于多少令国际上是没有准确的数字的,主要还是取决于各种纸的厚度、重量。一令等于500张1开的纸,一令纸的重量叫做该种纸的令重,国际上也有以480张或1000张为一令的。

关键词: 等于 多少

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