Unverified75% confidenceCautionTime unknown
已渗入橡胶内部纤维的黑色霉斑(擦拭无效、颜色发灰黑)往往无法完全清除，此时不建议反复加大剂量或延长浸泡时间损伤密封条，更换新密封条更经济
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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