| 单词 | gold alloy |
| 释义 | gold alloy The quantity of gold by volume in a less-than-24-carat gold alloy differs according to the alloy(s) used. Retrieved from Wikipedia CC BY-SA 3.0 More specifically, other metals are etched away from the surface of an object composed of a gold alloy by the use of acids or salts, often in combination with heat. Retrieved from Wikipedia CC BY-SA 3.0 Neither gold alloys nor bolshy bonnet-mounted air scoops can be found on any options list. The Sun Foil made from gold alloys can be applied to silver and other metals by first depletion gilding the surface of the foil. Retrieved from Wikipedia CC BY-SA 3.0 Gold alloys are used in restorative dentistry, especially in tooth restorations, such as crowns and permanent bridges. Retrieved from Wikipedia CC BY-SA 3.0 |
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