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| 互换交换，置换总成 | |||
| 交换器 | |||
| 互换件 | |||
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exchange unit : 28 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Artificial intelligence | 2 |
| Automobiles | 1 |
| Business | 1 |
| Electronics | 6 |
| General | 2 |
| Information technology | 1 |
| International Monetary Fund | 1 |
| Metallurgy | 3 |
| Space | 2 |
| Technology | 6 |
| Telecommunications | 1 |
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