Unverified82% confidenceDecision RuleTime unknown
硬壳带密封圈的收纳桶（如Pelican型旋盖桶）气密性靠O型圈，若需要长期浸水或潜水，应选带气压平衡阀的型号，否则深水下负压会导致渗漏且难以开盖
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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