Unverified90% confidenceCautionTime unknown
橡胶密封件、塑料齿轮不能用普通矿物油润滑,矿物油会溶胀腐蚀橡胶,应选硅脂或PTFE基润滑脂
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
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