【电学】空转旋转式开关【电学】有空转装置的旋转开关

positive displacement self-priming progressive cavity rotary pump

garage with rotary rings as means for transport

rotary type drive, pneumatically drive used in boreholes

rotary slide-valve vibrator

rotary-drilling machine with gearing for mining

rotary-piston machine or engine, oscillating-piston machine or engine

adjusting, holding rotary gyroscope

rotary machine