她很严格 高 ? She is very strict and high 防爆风机 ? Explosion-proof fans 所以在休息的时候听音乐可以帮助我提高自己 ? So in the rest when listening to music can help me improve my ..
This article introduces the design features, pneumatic design of explosion-proof contra-rotating axial fan, and the design, manufacture of fitted motor and the safety measures.