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| 铂族金属包括铂、钌、铑、铱、钯、锇 | |||
| 铂族 | |||
| 铂系元素 | |||
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platinum group : 12 phrases in 4 subjects |
| Desert science | 1 |
| Earth sciences | 3 |
| Metallurgy | 1 |
| Technology | 7 |
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