直流

• The measurement uncertainty of direct current offset
  直流偏移的测量不确定度
• The smell from the kitchen made her mouth water
  从厨房传来的味道使她嘴巴直流口水。
• Fire main with valves hose box with spray jet
  附有水雾直流两用水枪的水带箱
• Dc system design code for small electric power project
  小型电力工程直流系统设计规程
• A study of calibration system of dc digital nanovoltmeter
  直流数字纳伏表校准装置研究
• D . c . traction power supply system for urban rail transit
  城市轨道交通直流牵引供电系统
• Verification regulation of dc digital voltmeter
  直流数字电压表试行检定规程
• Low - voltage d . c switchgear and controlgear assemblies
  低压直流成套开关设备和控制设备
• Direct current 1ma reference voltage kv is no less than 25
  直流1ma参考电压kv不小于25
• High power 300v ac dc electronic load . gpib
  交流直流300v高功率电子负载gpib