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| 维持因素 | |||
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| 维修因子 | |||
| 维修因数 | |||
| 维护现状的因素 | |||
| 维护系数 | |||
| 维护系数［因素］; 维修系数［因子］ | |||
| 使用系数; 维持系数 (照明设备); 维修率; 维护系数; 保养系数; 照明器具和玻璃减光维护系数; 窗玻璃等的维护系数; 照明器具减光补偿率的倒数 | |||
| 维修系数 | |||
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maintenance factors : 3 phrases in 3 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
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