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| 引信的延期药 | |||
| 缓燃剂; 延时元件装有延期药、起延时作用的火工元件 | |||
| 延迟元件 | |||
| 延期元件 | |||
| 缓发元件 | |||
| 延时元件 | |||
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delay element : 16 phrases in 8 subjects |
| Air defense | 1 |
| Automatic control | 1 |
| Automobiles | 1 |
| Electronics | 5 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Power electronics | 1 |
| Space | 3 |
| Technology | 2 |