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A surface quenching method and its apparatus for roller or straightening roller are disclosed.
本发明涉及一种轧辊、矫直辊表面淬火方法及淬火设备。
youdao
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A surface quenching method and its apparatus for roller or straightening roller are disclosed.
本发明涉及一种轧辊、矫直辊表面淬火方法及淬火设备。
youdao