By hoisting the coolingairduct are fully introduced and it avoids the effects of welding on the load of aerodynamics traction components, and guarantees the safe operation of trains.
冷却风道采用吊装方式安装，避免了焊接对空气动力学牵引端受力的影响，保障了列车的安全运行。
2
In the site application, the airduct would be applied or not depending on the temperature cooling effect and certain conditions of the coal mining face.