Effect of RE on nodule number, nodule diameter and carbide quantity is studied with nodulizers of different RE contents.
研究了用含稀土量不同的球化剂生产单体铸造球铁活塞环时，稀土时石墨球数、石墨球径、碳化物数量的影响；
Effect of RE on nodule number, nodule diameter and carbide quantity is studied with nodulizers of different RE contents.
研究了用含稀土量不同的球化剂生产单体铸造球铁活塞环时，稀土时石墨球数、石墨球径、碳化物数量的影响；
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