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| medium-grained | |||
| 中粒度的: 13 phrases in 7 subjects |
| Drilling | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| General | 1 |
| Metallurgy | 2 |
| Plastics | 1 |
| Technology | 2 |
| Telecommunications | 1 |
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