Unverified85% confidenceDecision RuleTime unknown
变色硅胶(蓝变粉或橙变绿)能直观判断饱和度,无变色指示的产品需靠重量或时间估算,出行携带优先选带指示剂的款式避免失效不自知
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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