Unverified70% confidenceCautionTime unknown
存放珍贵旧书/古籍不要用普通PP箱直接密封，塑料释放的微量挥发物长期封闭可能加速纸张酸化黄变，应用无酸纸盒或带透气孔容器
1
Sources
70%
Confidence
Long-term
Relevance
-
First Seen
Sources
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