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铂金Platinum比黄金硬度高,亦是价格最高的贵金属,常用于制作订婚戒指。象征爱情天长地久的铂金,用于见证时间的腕表上一样别有意义。
Platinum Platinum hardness than gold, is also the highest price of precious metals, commonly used in the production of engagement rings. Symbol of everlasting love of platinum, used to witness the same time on the watch makes no difference.