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| 1. | gold (silver;copper) coin |
| 金（银，铜）币 |
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| 2. | Iron, nickel, copper, silver, gold, iridium, or ruthenium may be included as cocatalyst metals. |
| 铁、镍、铜，银、金，铱或钌，可用作复合催化剂金属。 |
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| 3. | The craftsman plated copper with silver. |
| 工匠给铜镀银。 |
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| 4. | Both copper and silver are good conductors of electricity . |
| 铜和银都是电的良导体。 |
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| 5. | Copper and silver are Both metals. |
| 铜和银都是金属。 |
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| 6. | He wanted to plate copper with silver. |
| 他想给铜容器镀银。 |
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| 7. | Amsil silver copper |
| 阿姆西尔银铜合金 |
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| 8. | beryllium-silver-copper alloy |
| 铍银铜合金 |
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| 9. | silver-copper alloy |
| 银铜合金 |
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| 10. | Which is the most conductive: iron, copper or silver ? |
| 铁、铜和银，哪种传导性最好? |
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