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粉末冶金气门座圈材料发展及其失效分析
程继贵,陈闻超,陈鹏起
Materials development of powder metallurgy valve seat inserts and their failure analysis
CHENG Jigui,CHENWenchao,CHEN Pengqi
粉末冶金工业 . 2021, (03): 1 -9 .  DOI: 10.13228/j.boyuan.issn1006-6543.20200301