水冷式螺旋运输机
water-cooled screw conveyor
带状螺旋运输机
ribbon type screw conveyer
立式螺旋管
vertical helical coiled tube
chf
螺旋管式蒸汽发生器
helical coil steam generator
螺旋管式直流蒸汽发生器
helical coiled once-through steam generator
螺旋式输液管道
spiral tubes conveying fluid
卧式螺旋管
horizontal helically coiled tube
Horizontal helically-coiled tubes
helical coil