| 1. | Undervoltage under body
船体水下部分 |
| 2. | Ac undervoltage relay
交流不足电 |
| 3. | 7 pulse singal output and warning display of battery undervoltage . 2 . additional functions for option
6脉冲信号输出及电池欠压显示报警。 |
| 4. | Electrical installations of buildings part 4 : protection for safety chapter 45 : protection against undervoltage
建筑物电气装置第4部分:安全防护第45章:欠电压保护 |
| 5. | The circuit has integrated undervoltage protection , overvoltage protection as well as soft - start technology
电路还内置欠压保护、过压保护及软启动等多重保护功能。 |
| 6. | Feeders located in capital cities must not use voltage regulators to solve undervoltage problems
位于省会城市的馈线线路（设备）绝不能使用电压调节装置来解决低电压问题。 |
| 7. | Erection of power installation with nominal voltages up to 1000 v ; protective measure for safety ; protection against undervoltage
标称电压1kv以下电源设备的安装.安全防护措施.低压保 |
| 8. | The breaker can be attached with shunt tripping device , undervoltage tripping device , auxiliary contacts , alarm contacts and motor - operated drive
断路器可以加装分励脱扣器、欠压脱扣器，辅助触头，报警触头和电动操作机构。 |
| 9. | The solution of an undervoltage problem in a bar takes place after the solution of all overcurrent problems in thelines of a feeder
在解决一个馈线线路（设备）所有主干路上的过流问题后，接着要解决掉出现其后的支路上的低电压问题？ |
| 10. | The insertion of capacitor cells in a bar to solve a overcrrent problem in a line or to solve a undervoltage problem in a bar must not cause overvoltage in any bar
在支路上加入电容元件可以解决在干路上的过流问题或者在支路上的低电压问题，但要保证不会造成任何支路上的过电压？ |
