偷拍激情视频一区二区三区,a级国产乱理论片在线观看,一本一道AV无码中文字幕,欧美丰满熟妇多毛XXXXX

  IMT/BA series , the combination of IMT series and BA cone gear reducer, are small and medium size multi-turn valve electric actuators. They are used to drive multi-turn actuators such as gate valves and stop valves. Through the combination of IMT series and BA cone gear reducer, customers can get bigger output torque. On the allowable condition of output speed, this series can improve actuators' generality so that can be used easily.