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表面颜色：银色、金色、黑色或根根需要定做颜色。
Surfaxe color:silver, golden, black or custom-made.
youdao
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由于钎焊后表面颜色浅，可适用于银饰、眼镜等行业的加工。
Due to their clear color are used by silver Smith and glasses industry, etc.
youdao
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由于钎焊后表面颜色浅，可适用于银饰、眼镜等行业的加工。
Due to their clear color are used by silver Smith and glasses industry, etc.
youdao