alternating-current

• High - voltage alternating - current circuit - breakers
  高压交流断路器
• High - voltage alternating - current disconnectors and earthing switches
  高压交流隔离开关和接地开关
• Class 2 direct connected alternating - current watthour meters - part ii
  2级直接连接式交流电度表.第2部分
• Alternating - current initial permeability
  交流初透磁率
• Alternating - current commutator motor
  交流整流子电动机
• Alternating - current commutator machine
  交流整流子机
• Alternating - current electromotive force
  交流起电力
• Alternating - current traction system
  交流电?运?方式
• Alternating - current series motor
  交流直?电动机
• Alternating - current shunt motor
  交流分?电动机