Unverified78% confidenceDecision RuleTime unknown
单向排气阀(自动锁气阀)比手拧螺旋阀密封性更稳定，反复使用后螺旋阀的橡胶垫圈易老化漏气，追求长期复用选自动锁气阀款
1
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78%
Confidence
Long-term
Relevance
-
First Seen
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