These experimental methods have assured the successful proceeding of the research work on the auto tempering of low-carbon martensites and yielded significant results.
这些试验方法，保证了自回火的研究能顺利进行，并得出了有价值的研究结果。
Function : be applicable to the technics of hardening and tempering heating treatment of batch cast, forgeable piece and auto parts .
用 途：适用于批量性的铸、锻件、汽车配件的调质、正火热处理工艺。
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