Unverified80% confidenceDecision RuleTime unknown
铝合金一体成型阅读架的稳固性明显优于塑料合页款，长期承托厚书不易出现合页松动下垂；塑料款在1~2年后合页处易磨损松脱
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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