direct current power supply 直羚源 ; 直流电源
direct-current power supply [电] 直流电源
direct current power cable 直流电力电缆
direct current power station 直立电厂 ; 直流电厂
direct-current power [电] 直流功率
direct current power system 直流系统
direct current power source 直流电源
direct current power systems 直流输电系统
Storage battery as the direct current power supply of the locomotive is important to the move of the locomotive.
蓄电池作为机车上的直流电源，对机车运行起着重要的作用。
参考来源 - 蓄电池组智能充放电系统及其集群控制·2,447,543篇论文数据，部分数据来源于NoteExpress
During choose the direct current power supply, pay attention to the negative and positive.
选用直流供电时，注意正负极标识。
The direct current power supply system controlled by power-electronics converters will be used widely.
变换器控制的直流供电系统的应用将越来越广。
At present, iontophoresis apparatus is a method that direct current power supply, or pulse electric current power supply.
目前，电离子导入仪主要采用的是直流电激励导入，或是脉冲电导入的方法。
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