离合器式螺旋压力机
Clutch screw press
Clutch type spiral press
Clutch-operated screw press
对旋式通风机
Counter-rotating Axial Fan
Counter rotating fan
Counter-rotating Fan
contra-rotating fan
contra rotating axial fan
Counter-rotating Axial Flow Fan
counter-rotating ventilator
多室直通式旋风分离器
multicellular straight through cyclone
固定叶轮直通式旋风分离器
fixed impeller straight through cyclone
半浸式螺旋桨
surface piercing propeller
partially submerged propeller