通过二次随流孕育，稳定生产铸态珠光体球铁曲轴的生产工艺。

Crankshafts of as cast pearlite ductile iron have been produced stably by double random inoculation.

youdao

通过二次随流孕育，稳定生产铸态珠光体球铁曲轴的生产工艺。

Crankshafts of as cast pearlite ductile iron have been produced stably by double random inoculation.

youdao