球墨铸铁 flake graphite cast iron: 片石墨铸铁; 片状石墨铸铁flaky graphite cast iron: 片状石墨铸铁graphite pattern in cast iron: 铸铁中的石墨形状heroidal graphite cast iron: 球墨铸铁nodular graphite cast iron: 球状石墨铸铁下载手机词典可随时随地查词查翻译