Unverified90% confidenceDecision RuleTime unknown
过敏人群应选HEPA级多层无纺布尘袋(通常标注5层或以上),其锁尘率>99%,换袋时纸板自封口设计能防止二次扬尘;单层纸质袋不适合过敏者
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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