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| 开关程序; 开闭程序 | |||
| 交换程序 | |||
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| 开关程序; 开闭程序 | |||
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switching program : 41 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Electronics | 7 |
| Information technology | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 20 |
| Telecommunications | 3 |
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