As the large castins, lathe bed castings must be subjected to heat treatment in order to improve the performance itself, and improve the intrinsic quality of iron castings.
床身类铸件产品作为一种大型铸件必须要经过热处理才能提高本身的使用性能，改善铸铁铸件的内在质量。
As the large castins, lathe bed castings must be subjected to heat treatment in order to improve the performance itself, and improve the intrinsic quality of iron castings.
床身类铸件产品作为一种大型铸件必须要经过热处理才能提高本身的使用性能，改善铸铁铸件的内在质量。
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