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| hang-over fire; hold-over fire | |||
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潜火 : 43 phrases in 14 subjects |
| Agriculture | 2 |
| Architecture | 1 |
| Aviation | 2 |
| Bridge construction | 1 |
| Electronics | 5 |
| Engineering geology | 2 |
| General | 5 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Risk Management | 3 |
| Shipbuilding | 1 |
| Soil science | 1 |
| Space | 8 |
| Technology | 7 |
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