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| test blasting; trial blast-trial shot | |||
| practical shot; trial shot | |||
| 试验爆破: 33 phrases in 7 subjects |
| Automobiles | 1 |
| Explosives and Explosive Ordnance Disposal | 9 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Space | 8 |
| Technology | 12 |
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