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| dry blasting | |||
| 干喷射: 30 phrases in 9 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 1 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Ecology | 1 |
| Engineering geology | 2 |
| Metallurgy | 2 |
| Technology | 20 |
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