少妇免费欧美高清_91香蕉视频污版在线观看_天仙tv国产福利_国产无码高清卡通av_亚洲av黄色一区二区_亚洲中文字幕无码a∨在线_精品国产亚洲午夜精品_欧美日韩一级二级三区高清视频_色播五月综合网狠狠_毛片大全在线观看

　　  Multi-turn intelligent valve electric actuators--IMT series are generally used to gate valves , stop valves ,diaphragm valves and rod multi-turn valves to move straight forwards. IMT series and its derived products are extensively used in petrochemical, matallurgy, energy sources, municipal, light industry, food and other fields. This series plays a significant role in pipeline control system.