19:30 「錸合金」火燒驗不出！ 專家教破解：摩擦會起白點 ( 2024-10-17 )
Oct 17, 2024 ·
1m 52s
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Description
一般銀樓業者，檢驗真假黃金的方法，就是用火燒，但現在出現在市面的「錸合金」，因為它的熔點，比黃金高出兩千度，所以用火燒，... https://ctsnews.page.link/RP1D4
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| Author | 華視新聞 CTSNews |
| Organization | 華視新聞 CTSNews |
| Website | - |
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