镀金层延展性好、易抛光、耐高温，具有很好的抗变色性能。
Gold-plated layer ductility good, easy polishing, high temperature resistant, has the very good resistance to change color performance.
镀金层延展性好、易抛光、耐高温，具有很好的抗变色性能。
Gold-plated layer ductility good, easy polishing, high temperature resistant, has the very good resistance to change color performance.
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