protective and decorative plating coatings
... 防护性镀层、protective plating coatings 防护-装饰性镀层、protective and decorative plating coatings 仿金电镀、gold imitation plating ...
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protective and decorative plating coatings
保护性和装饰性镀层
以上为机器翻译结果，长、整句建议使用 人工翻译 。