potential threat
| reference list
| potential threat abbr. | |
| fin. | 潜在威胁 |
| reference list abbr. | |
| libr. | 参考工具书目录 |
| met. | 参考资料表 |
| |||
| 潜在威胁 | |||
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potential threat : 3 phrases in 3 subjects |
| Aviation | 1 |
| Law | 1 |
| Public security | 1 |