[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

PVD镀层(真空离子镀)硬度和抗刮抗腐蚀显著优于普通电镀,盐雾测试可达24-72小时以上,玫瑰金/枪灰/黑色等彩色五金务必选PVD工艺,否则1-2年内易掉色发花

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90%
Confidence
Long-term
Relevance
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