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| class of line | |||
| subscriber category | |||
| class of service | |||
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| user class character | |||
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用户类别 : 10 phrases in 6 subjects |
| Aviation | 1 |
| Business | 2 |
| Electronics | 2 |
| General | 1 |
| Technology | 1 |
| Telecommunications | 3 |
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