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.
第二次反应为形核孕育和爆发性反应二个阶段。
The second reaction consists of nucleation pregnant and exploded reaction stages.
第二次反应为形核孕育和爆发性反应二个阶段。
The second reaction consists of nucleation pregnant and exploded reaction stages.
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