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| 规则、标准与说明 | |||
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rules and standards and instructions : 6 a las frases, 6 temas |
| Comercio | 1 |
| Comunicaciones | 1 |
| Economía | 1 |
| Electrónica | 1 |
| General | 1 |
| Negocio | 1 |
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| |||
| 规则、标准与说明 | |||
|
rules and standards and instructions : 6 a las frases, 6 temas |
| Comercio | 1 |
| Comunicaciones | 1 |
| Economía | 1 |
| Electrónica | 1 |
| General | 1 |
| Negocio | 1 |