[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

不锈钢饼干模具选304食品级(标注SUS304),厚度≥0.4mm才不易变形,长期使用不锈蚀;亮银色反光均匀、掂手有分量的通常是真304,泛暗黄或过轻可能是201钢

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90%
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Long-term
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