alloyed cementite
... 044 三次渗碳体tertiary cementite 045 球状渗碳体spheroidized cementite 046 合金渗碳体aHoyed cementite ...
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研究表明：在这种新型镍铸铁中除了石墨和奥氏体基体外，还有合金渗碳体存在；
Investigation showed that, in this new nickel cast iron, besides graphite and austenitic base, had yet alloying cementite.
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