双级

• Twin turbo - charger
  双级涡轮增压器
• The research on the problem of linear linear - fractional bilevel multiple - objective decision making
  分式双级多目标决策问题的研究
• Two - stage regulator
  双级调节器
• Two stage regulator
  双级调节器
• Two - stage amplifier
  双级放大器
• Two step controller
  双级控制器
• Cam of double lift
  双级凸轮
• Research on two - stage compression variable frequency air source heat pump in cold regions
  用于寒冷地区双级压缩变频空气源热泵的研究
• Two step control
  双级控制
• Two stage shut
  双级制动