burnish gold
常见例句
- Main products are as follows: A circuit board, gilded burnish, gold plated copper thick OSP protection (series), PCB plating copper brightener, PCB tin brightener, etc.
主要産品如下： 一、線路鍍金光澤劑、線路板鍍厚金工藝、線路板銅保護（OSP）系列、線路板鍍酸銅光亮劑、線路板鍍錫光亮劑等。 返回 burnish gold