KvN
2022-04-05T02:26:13+00:00
同样牌子的卷纸,印花一样,层数一样,筒心直径一样,纸的厚度应该也一样(因为发现时长的已经用了一段时间了),结果纸的宽度差那么多
[img]https://img.nga.178.com/attachments/mon_202204/09/-7Qjf4-la5pZgT3cSsg-lc.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202204/09/-7Qjf4-la5pZgT3cSsg-lc.jpg[/img]