实验表明，预备热处理采用快速球化退火(调质)得到的球化效果良好。
Experiments show that the rapid prepare heat treatment spheroidization annealing (conditioning) get good results of spheroidal graphite.
实验表明，预备热处理采用快速球化退火(调质)得到的球化效果良好。
Experiments show that the rapid prepare heat treatment spheroidization annealing (conditioning) get good results of spheroidal graphite.
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