Unqualified Z8A bainite nodular cast iron wedge was analyzed by chemical and metallograph analysis and was related to its cast and heat treatment process.

　
英 美
  • 對轉8A貝氏體球墨鑄鐵斜楔生產(chǎn)中出現的球化率和滲碳體不合格問(wèn)題進(jìn)行了分析,并從鑄造和熱處理工藝方面探討了影響材料性能的因素及改善和提高材料性能的途徑。
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目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan