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| 作用应力; 有效［有功］电压; 实际应力; 均方根电压 | |||
| 有效应力; 有效电压 | |||
| эффективное напряжение: 8 phrases in 3 subjects |
| Electronics | 3 |
| General | 4 |
| Oil processing plants | 1 |
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