本文研究了稀土元素在气体碳氮共渗中的作用，并系统地提出了稀土催化机理。
This paper studies the effects of rare earth elements (re) in the gas carbonitriding and puts forward a systematic proposition of the rare earth elements catalyzing mechanism.
本文研究了稀土元素在气体碳氮共渗中的作用，并系统地提出了稀土催化机理。
This paper studies the effects of rare earth elements (re) in the gas carbonitriding and puts forward a systematic proposition of the rare earth elements catalyzing mechanism.
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