焊接工艺严谨，框架焊接的整体去应力处理，减少变形，检测设备完善。
Welding welding process is rigorous, the framework of the whole to deal with the stress, reduce the deformation, perfect testing equipment.
焊接工艺严谨，框架焊接的整体去应力处理，减少变形，检测设备完善。
Welding welding process is rigorous, the framework of the whole to deal with the stress, reduce the deformation, perfect testing equipment.
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