... 直流电源屏 dc power supply panel 直流供电制 dc power supply system 直流轨道电路 dc track circuit ...
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...ed to hold you tight » 我不想运行，你就是今晚，我需要现在我需要你紧紧地抱婴儿宝宝 DC Power Supply System » 直流电源系统 to a large extent,you will be on » 在很大的程度上,您将在 ..
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substation DC power supply system 站用直流系统
communication DC power supply system 通信直流系统
DC traction power supply system 直流牵引供电系统 ; 直流牵引系统
DC power supply protection system 直流供电保护
dc power supply of system 系统直流工作电源
dc v power supply system dc110v供电系统
dc operation power supply system 直流操作电源系统
System DC Power Supply 系统直流电源
It describes the classification of DC power supply system and how to configure DC power supply system in different type telecommunication bureau.
介绍直流供电系统的分类及如何根据不同类型的通信局(站)配置相应的直流供电系统。
In the paper, an electrical power system of base station is introduced in detail, including AC power supply system, DC power supply system and earthing system.
文中介绍了通信基站的电源系统，包括交流供电系统、直流供电系统和接地系统，论述了等电位在基站建设中的重要性。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
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