您要查找的是不是：
- 直流UPSDC UPS
- 便攜式儀器儀表用直流UPS的設計Design of the DC UPS for Portable Instruments
- 直流direct current
- 直流電源direct current supply
- 直流電壓volts d.c.
- 直流電機DC electric machine
- UPSUninterrupted Power System(UPS)
- 直流穩壓電源D.C. regulated power supply
- UPS間UPSroom
- UPS并聯(lián)UPS parallel-combined
- 直流屏direct current cabinet
- UPS系統UPS system
- UPS變換backward mapping
- 直流電阻DC resistance
- UPS選擇choice of UPS
- 直流發(fā)電機direct current dynamo
- UPS因素factor
- 直流電動(dòng)機DC motor
- UPS電源UPS
- 交直流AC/DC
