compacted graphite iron造句

Standard specification for compacted graphite iron castings
高密度石墨铸铁的标准规范
Based on the compacted graphite iron castings , the " compacted graphite iron casting quality analysis system " has been developed . it includes three subsystem : the casting defects knowledge consultation , the casting quality data control and analysis , the casting defects qualitative analysis and predication
以蠕墨铸铁件为基础，开发了“蠕墨铸铁件质量分析系统” ( fqas ) ，包括铸件知识咨询、铸件质量数据管理与分析和铸件质量分析及预测三个子系统。
It's difficult to find compacted graphite iron in a sentence. 用compacted graphite iron造句挺难的