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| 服务性行为; 使用性能 | |||
| 工作情况; 使用状况 | |||
| 工作性能; 服务行为; 使用状态; 运转情况 | |||
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service behavior : 11 phrases in 3 subjects |
| Bridge construction | 1 |
| Electronics | 2 |
| Technology | 8 |
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