[KongchangAI]
Unverified75% confidenceCautionTime unknown

在极低温环境下,PU 涂层可能出现硬化,进一步加大开合阻力,极寒户外场景(如登山、极地活动)需特别关注低温脆化表现,操作便利性会显著下降。

1
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75%
Confidence
Long-term
Relevance
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