rotary feedthrough

rotary feedthrough rotary electrical feedthrough是什么 rotary engine 请问rotary rotary-cylinder是什么意思 -rotary current drive motor rotary evaporator是什么意思 rotary air compressor 如上 rotary encode是什么意思 rotary actuator是什么意思 Rotary International什么意思? rotary browser是什么意思 Rotary sporay balls rotary evaporation是什么意思 rotary actuator是什么意思 Rotary tsble not off in position switich rotary是什么牌子买了个手机 上面只有fun mp3 mp4 qvbr和rotary phone这几个字我想知道是什么牌子