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| 有效粒径 | |||
| 有效粒度土中比之小的颗粒含量为总质量10%的粒径 〈d₁₀〉 | |||
| 有效径; 有效颗径 | |||
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| 有效粒径 | |||
| effective grain size: 6 phrases in 3 subjects |
| Chemistry | 1 |
| Drilling | 1 |
| Technology | 4 |
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