对旋轴流风机
Counter rotating axial flow Fan
Contra-rotating Axial-flow Fan
防爆对旋轴流风机
explosion-proof contra-rotating axial fan
轴流式对旋风机
Contra-rotating Axial Flow Fan
对旋轴流通风机
Counter-rotating Axial Flow Fan
Contra-rotating Axial-flow Fan
Counter-rotating Axial Fan
axial-flow contra-rotating fan
Counter-rotating Axia-flow Fan
对旋轴流式
Contrarotating axial form
对旋轴流式风机
disrotatory axial flow fan
矿用对旋轴流通风机
Counter rotating axial ventilation fan for mine use
旋转离心叶轮
rotating centrifugai impeller
抽出式对旋轴流通风机
draw-out disrotatory axial-flow blow
叶轮与蜗壳相对安装位置
relative impeller-to-volute position