We can also adopt sand shell moulding or metal mold casting as for allotype castings. 对异形铸件,还可用砂型铸造或金属型铸造。
The non-equilibrium crystallizing processes and the characteristics of the metal mould nodular iron grinding ball have been discussed in this paper. 摘要用彩色金相法分析研究了金属型球铁磨球非平衡凝固过程和特性。