[KongchangAI]
Unverified82% confidenceFactTime unknown

钛的着色靠阳极氧化产生(蓝/紫/彩虹色),这类颜色不含涂料、不掉色也不影响食品安全;而不锈钢的彩色多为PVD镀层或喷涂,长期磨损或刀叉刮蹭后可能脱落

1
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82%
Confidence
Long-term
Relevance
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