1、 There occours needle - type or M - type martensite precipitation within retained austenite.
残余奥氏体内有针状或“M”型马氏体析出.
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2、 As for small diameter workpiece, martensite distribution can be obtained by immediately quenching.
对于直径较细的工件, 轧后立即淬火几乎可得到全部马氏体.
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