[KongchangAI]
Unverified85% confidenceFactTime unknown

厚度看μm(微米):冷冻用袋≥60μm可防冻脆开裂,30-40μm薄袋反复冷冻易破;抽真空专用袋多为压花网纹结构(80-100μm),普通平滑袋无法有效抽真空

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