double conic rotary vacuum dryer
rotary piston engine
旋转活塞发动机
旋转活塞式发动机
转子发动机
旋缸式发动机
rotary piston flowmeter
rotary pump
旋转泵
旋转水泵
回转泵
旋转式泵
回转式泵
回转式容积泵
转子泵
旋<转>泵
旋转筛
rotary pump with liquid ring
rotary vacuum disk filter
Rotary Vacuum Drum Filter
slide-vane type rotary pump
variable-delivery rotary pump
centrally ported radial piston pump
differential piston pump