Unverified70% confidenceDecision RuleTime unknown
判断活性炭包是否失效的实用方法:将其放入密闭容器与新鲜异味源共存24小时,若异味几乎无减弱即已饱和,不必等固定时间到期
1
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70%
Confidence
Long-term
Relevance
-
First Seen
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