直流

• Unique dc 12v designed with the thinnest exterior
  首创直流12v设计，超薄造型
• Specification for dc . power supply of military equipment
  军用装备直流供电电源总规范
• Study on a new type of resonant dc link converter
  一种新型谐振直流环节变频器的研究
• Verification regulation of dc digital amperemeter
  直流数字电流表试行检定规程
• System tests for high - voltage direct current installations
  高压直流装置的系统试验
• The control of dc servo motor based on pc104 bus
  104总线的直流伺服电动机控制
• Direct current amplifiers - characteristics and test methods
  直流放大器特性和测试方法
• Auto iris control : video dc switchable
  自动光圈镜头驱动方式:视频直流可切换
• Small craft - electrically operated direct - current bilge - pumps
  小艇.电动直流舱底泵
• Automatic verification of high - voltage dc resistance boxes
  直流高压高阻的自动检定