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| 粗级配 | |||
| 粗粒径筛分; 粗粒级分等; 粗粒分级 | |||
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coarse grading : 6 phrases in 5 subjects |
| Desert science | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
| Textile industry | 1 |
| Wind Energy | 1 |
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