direct current-direct current DC-DC converter  DC-DC变换器

direct-current direct-current converter  直流换流器; 直流-直流变换器

alternating current-direct current  比较分子力场分析; 交直流电; 交直流调速器

asymmetric alternating current-direct current powe  不对称交－直流电源

asymmetric alternating current-direct current power supply  不对称交－直流电源

Direct current governor  直流调速

Direct Current System  直流系统; 直恋统; 直流电源

direct-current system  直流系统; 直流制

Earth Judgment of Direct Current System  直流系统接地的判定

multi-infeed direct current system  多馈入直流系统; MIDC系统; 多馈入直流输电系统

polar direct current system  偏极直流制

The Computer Monitoring of Direct Current System  直流系统的计算机监控

alternating current governor system  交流调速系统

1 000 kV ultra-high voltage direct current  1000kV特高压直流

3-D direct current survey  救护飞机(Airam bulances); 三维直流电法

accumulator direct current supply  蓄电池直流电源

activating tungsten inert-gas welding with direct current straight polarity mode  直流正接A-TIG焊

alternating and direct current desalting  交直流电脱盐; Sauter平均直径

alternating current AC-direct current DC-AC  交直交