两级

• two-stage

参考释义

两级 [liǎng jí]

• -
• 短语
  两级抽样 two stage sampling
  两级传动 double-stage driving
  两级存储（器） two-level store
  两级动作选择器 {讯} two-motion selector
  两级阀 two-stage valve
  两级放大器 two-stage amplifier
  两级记录 two-level recording
  两级加速器 two-stage accelerator
  两级控制 two-step control
  两级逻辑 two-level logic
  两级膨胀复式蒸汽机 double expansion compound steam engine
  两级伸缩缸 telescopic cylinder of two stages
  两级伺服系统 two-stage servosystem; two-stage servo
  两级随动系统 two-stage servo
  两级锁定机构 two-stage holdback device
  两级提升器 two-stage lift
  两级调节器 two-stage controller
  两级推挽放大 dual push-pull amplification
  两级泄压循环 two-step decompression cycle
  两级序列检测器 two-stage sequential detector
  两级压力气体燃烧器 {热} two-stage pressure-gas burner
  两级压缩机 two-stage compressor
  两级预选 double preselection
  两级蒸发 {化} double flash evaporation