(资料图片仅供参考)
1、B5的规格：182*257 (mm)
2、A3的规格: 420*297 (mm)
以上就是【b5本子多大是16开吗，b5本子多大】相关内容。
(资料图片仅供参考)
1、B5的规格：182*257 (mm)
2、A3的规格: 420*297 (mm)
以上就是【b5本子多大是16开吗，b5本子多大】相关内容。
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