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| 管线路检查; 公共交通线路检查检查运行时间等 | |||
| 航线检查; 生产线检查 | |||
| 输送管线断裂 | |||
| 小检修 | |||
| line check: 24 phrases in 9 subjects |
| Agriculture | 1 |
| Aviation | 5 |
| Electronics | 2 |
| Engineering geology | 2 |
| General | 2 |
| Metallurgy | 2 |
| Shipbuilding | 3 |
| Technology | 6 |
| Telecommunications | 1 |
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