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| 规范更改通知 | |||
| 规范修改通知 | |||
| 技术规范更改通知 (书) | |||
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| 规格更改通知 | |||
| specification change notice: 9 phrases in 3 subjects |
| Aviation | 7 |
| Business | 1 |
| Economy | 1 |
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