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| 粒径频数曲线｛土壤｝ | |||
| 粒度频率曲线; 粒度分布曲线 | |||
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size frequency curve : 6 phrases in 5 subjects |
| Desert science | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 2 |
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