Single-phase power supply 单相电源
Single-phase Power Supply Network 单相供电网络
single-phase three-line ac power supply 单相三线交流供电
traction power single-phase supply 牵引电能单相取流
single-phase AC power supply 单相交流供电
single-phase electric power supply 单相电源供电
Single phase emergency power supply 单相消防应急电源
Voltage protection for electronic and electrical equipment used in low voltage single phase power supply system.
主要用于低压单相电源系统电子电器设备的过电压保护。
On the railway of electrization, power supply mode is requested to be the single-phase alternating current.
在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。
Based on the need to develop and test the products, a single phase DSPbasedprogrammable AC power supply is designed.
基于产品研发和测试的需要，本课题设计了一种单相可编程交流电源。
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