a级免费在线观看-a级毛片在线播放-a级毛片无码免费真人-a级毛片视频免费观看-a级毛片免费播放-a级毛片观看

防爆力矩電機視頻展示  

Flameproof torque motor is a kind of special soft characteristic motor which can be used in inflammable and explosive places. It is also called flameproof torque motor. At present, our company produces high protection level torque motor. The explosion-proof torque motor does not produce electric spark when it operates in explosion-prone places. Explosion-proof torque motor is mainly used in coal mine, oil and gas, petrochemical and chemical industries. In addition, in the textile, metallurgy, grain and oil processing, paper, medicine and other departments are also promoted.