rotary encode是什么意思

rotary encode是什么意思 rotary-cylinder是什么意思 rotary evaporator是什么意思 rotary actuator是什么意思 rotary browser是什么意思 rotary evaporation是什么意思 rotary actuator是什么意思 rotary rotary engine rotary feedthrough 请问rotary -rotary current drive motor rotary air compressor 如上 Rotary International什么意思? Rotary sporay balls Rotary tsble not off in position switich 'ascii' codec can't encode characters in position 18-19:ordinal not in range(128) 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