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| preventor | |||
| preventer | |||
| warning device | |||
| 警告 装置: 46 phrases in 7 subjects |
| Air defense | 5 |
| Automobiles | 3 |
| Aviation | 25 |
| Labor law | 1 |
| Space | 3 |
| Technology | 8 |
| Wind Energy | 1 |
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