| 1. | Intelligent digital display instrument 智能计数器数字频率转速线速度仪表 |
| 2. | Verification regulation of selfbalance display instruments 自动平衡式显示仪表检定规程 |
| 3. | Intelligent energy concentration display instrument 智能电量集中显示仪表 |
| 4. | Amplifiers for self - balance display instruments 自动平衡式显示仪表放大器 |
| 5. | Intelligent quantity of electricity concentration display instrument 智能电量集中显示仪表 |
| 6. | Intelligent digital display instrument outline 智能数显仪表产品概述 |
| 7. | Tri - phase active , reactive power simultaneous display instrument 三相有功无功功率同时显示仪 |
| 8. | Single phase active reactive power simultaneous display instrument 单相有功无功功率同时显示仪 |
| 9. | 2 . tri - phase display instrument , three screen all are approved red 2三屏数字显示仪表,默认三屏均为红色。 |
| 10. | Intelligent digital display instruments 智能数显仪表 |