nodular graphite iron

基本解釋

This problem could be solved by using ferrite nodular graphite cast iron.
采用以鐵素體為基的蠕墨鑄鐵可解決此問題。
It is easy to cause various defects while using small cupola to smelt the nodular graphite iron.
采用小型沖天爐熔煉球鐵，易于產(chǎn)生各種缺陷。
The production of light nodular graphite iron parts with high ductility in investment casting was expounded in all aspects including both technological analysis and processing control.
對(duì)熔模精密鑄造高韌度球墨鑄鐵小件的生產(chǎn)，從工藝分析到生產(chǎn)過程的控制進(jìn)行闡述。