[KongchangAI]
Unverified75% confidenceFactTime unknown

环氧树脂AB胶固化后收缩率约1-3%,深填或大面积填充会因收缩产生凹陷,应分次填充或选低收缩率配方,UV丙烯酸胶收缩率相对更低

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75%
Confidence
Long-term
Relevance
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