| 1. | Built - in over heat protection and high voltage protection 过热保护,过压保护。 |
| 2. | Voltage relay and voltage protection equipment 电压继电器与保护装置 |
| 3. | Study of the input over - voltage protection circuit based on uc 3842的开关电源输入过压保护电路研究 |
| 4. | Openings triangular voltage protection 开口三角电压保护 |
| 5. | Semiconductor arrester for the over - voltage protection of telecommunications installations 通信设备过电压保护用半导体管 |
| 6. | Voltage protection device 电压保护装置 |
| 7. | Low voltage protection 低电压保护装置 |
| 8. | Under voltage protection 低电压保 |
| 9. | Under - voltage protection 欠压保护 |
| 10. | Over - voltage protection 过压保护 |