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| Chinese | English |
| 继电器故障 用于基础继电器 | intermittent relay fault for elementary relays |
| 继电器暂时故障 用于基础继电器 | intermittent relay fault for elementary relays |
| 触点电路不断开的触点故障 | contact fault due to non-opening of the contact circuit |
| 触点电路电阻增大的触点故障 | contact fault due to increased contact-circuit resistance |