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| 间断级配 | |||
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| 中断级配 | |||
| 按粒度级配 | |||
| 间断级配 | |||
| 不连续级配 | |||
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gap-grading : 8 phrases in 5 subjects |
| Electric machinery | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Technology | 4 |
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