By hoisting the cooling air duct 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。
In the site application, the air duct would be applied or not depending on the temperature cooling effect and certain conditions of the coal mining face.
现场实际应用中，应根据降温效果与回采工作面具体条件决定是否安设风筒。
In the site application, the air duct would be applied or not depending on the temperature cooling effect and certain conditions of the coal mining face.
现场实际应用中，应根据降温效果与回采工作面具体条件决定是否安设风筒。
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