问题
单项选择题
铁碳合金的基本组织中,珠光体是()和渗碳体组成的机械混合物。
A、奥氏体
B、莱氏体
C、铁素体
D、微量元素
答案
参考答案:C
铁碳合金的基本组织中,珠光体是()和渗碳体组成的机械混合物。
A、奥氏体
B、莱氏体
C、铁素体
D、微量元素
参考答案:C
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