抽出式对旋轴流通风机
draw-out disrotatory axial-flow blow
对旋叶轮机
counter-rotating turbo machinery
对旋轴流风机
Counter rotating axial flow Fan
Contra-rotating Axial-flow Fan
对旋轴流式
Contrarotating axial form
对旋轴流式风机
disrotatory axial flow fan
对旋轴流通风机
Counter-rotating Axia-flow Fan
Contra-rotating Axial-flow Fan
Counter-rotating Axial Fan
Counter-rotating Axial Flow Fan
axial-flow contra-rotating fan
防爆对旋轴流风机
explosion-proof contra-rotating axial fan
矿用对旋轴流通风机
Counter rotating axial ventilation fan for mine use
同轴射流湍流旋流流动
swirling turbulent flows of coaxial jets
多级轴流叶轮机械
multistage axial turbomachinery
对流对称不稳定
convective-symmetric instability
对流旋生说
convective theory of cyclogenesis