n.微細(xì)構(gòu)造
Its microstructure is fine pearlite and carbides. 它的微觀結(jié)構(gòu)是細(xì)珠光體和碳化物。
The eutectic lamellas disappeared and degenerative eutectic microstructure emerged. 交流電場作用后共晶片層消失，取而代之的是退化共晶組織。
