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| |||
| 不均匀系数 | |||
| 内摩擦系数 | |||
| 不规则系数 | |||
| 变更系数; 变化率 | |||
| 不平整系数 | |||
| coefficient of irregularity: 1 phrase in 1 subject |
| Electronics | 1 |
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