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| 验证、确认与认证 | |||
| 检验、确认和证明 | |||
| 检验、确认与检验证明书 | |||
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| 校核、验证与鉴定 | |||
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verification, validation and certification : 1 a las frases, 1 temas |
| Aviación | 1 |
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| 验证、确认与认证 | |||
| 检验、确认和证明 | |||
| 检验、确认与检验证明书 | |||
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| 校核、验证与鉴定 | |||
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verification, validation and certification : 1 a las frases, 1 temas |
| Aviación | 1 |