Unverified85% confidenceDecision RuleTime unknown
松锈除锈类喷剂应含PTFE（特氟龙）或钼成分才具备长效润滑，纯煤油基产品渗透快但挥发后无残留润滑膜，2-3天后螺栓可能再次锈死
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85%
Confidence
Long-term
Relevance
-
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