two-step (n.) two-state-variable [計算機(jī)科學(xué)技術(shù)]雙態(tài)變數(shù)two-state variable [機(jī)械工程]二態(tài)變數(shù)[計算機(jī)科學(xué)技術(shù)]雙態(tài)變數(shù)two-start worm [動力與電氣工程]雙頭螺桿[機(jī)械工程]雙頭螺桿two-star （服務(wù)或賓館）兩星的。two-stands 雙機(jī)架two-stage wheel [材料科學(xué)]兩段磨輪[冶金工程技術(shù)]兩段磨輪two-stage valve 兩級閥two-stage turbocharging [航空、航天科學(xué)技術(shù)]二級增壓two-stage stationary air compressor [能源科學(xué)技術(shù)]二級固定式空氣壓縮機(jī)[經(jīng)濟(jì)學(xué)]二級固定式空氣壓縮機(jī)two-stage pump [機(jī)械工程]兩級泵[經(jīng)濟(jì)學(xué)]雙級泵two-stage planetary gearing [材料科學(xué)]兩級行星齒輪傳動two-stage operation [醫(yī)藥科學(xué)]二期手術(shù)two-stage control [電子、通信與自動控制技術(shù)]二級控制雙級控制two-stage compressor 兩級壓縮機(jī)two-stage cementing [能源科學(xué)技術(shù)]雙級注水泥[地球科學(xué)]雙級固井two-stage axial-flow fan [經(jīng)濟(jì)學(xué)]兩級軸流式風(fēng)機(jī)two-stage amplifier 兩級放大器two-stage adj. 兩級的two-stack blowout-preventer system [能源科學(xué)技術(shù)]雙組防噴器裝置