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| 粒度比; 分级比 | |||
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size scale : 15 phrases in 7 subjects |
| Architecture | 2 |
| Bridge construction | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Technology | 6 |
| Textile industry | 1 |
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