Unverified78% confidenceFactTime unknown
抽气型压缩袋的单向气阀是漏气高发部位，选带旋盖密封阀的比单纯膜片阀密封性好；若阀门橡胶圈老化则整袋报废，属于耗材化设计
1
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78%
Confidence
Long-term
Relevance
-
First Seen
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