Unverified75% confidenceDecision RuleTime unknown
包裹异形容器或大盘子需要拉伸性好的膜，选标注可拉伸的PE膜（能延展至原长1.3倍以上不破）；PVDC拉伸性差、脆，仅适合平整覆盖
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75%
Confidence
Long-term
Relevance
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