变流变压变频调压技术
non-constant flow and pressure water-supply techni
3路输出直流-直流变换器
three output DC-DC converter
双向直流变直流换流器
bi-directional DC–DC converter
直流变流机
continuous current transformer
直流-直流变换器
DC-DC converter
DC to DC converter
DC/DC converter
direct-current direct-current converter
交流变压变频
alternating current Variable Voltage Variable Frequency
变频压缩机
inverter compressor
Variable speed compressor
inverter rotary compressor
frequency conversion compressor
交流-直流变换装置
alternating continuous-current commutating machine
无刷直流变频空调
brushless DC inverter air-conditioner