DCCn.更改设计委员会(设计概念的改变)
dcabbr.直流(=direct current)abbr.哥伦比亚特区(=District of Columbia)
DC Supervisory Control System直流监控系统
DC optical current transducer直流光学电流互感器
DC-based deicing technology直流融冰技术
DC rectification power system直流整流电源
dcufnessof infeltioas dislasc传染病源性毒
DC solenoid for valve control直流阀用电磁线圈
DC variable--speed system直流调速系统
DC DOUBLE ARM ELECTRIC BRIDGE型直流双臂电桥
DC protective circuit breaker直流断路器
DCPD-containing epoxy resin双环戊二烯环氧树脂