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X70管线钢屈服强度不合原因分析
汤海芳,王豹,王立坚,朱启茂
Cause analysis of substandard yield strength of X70 pipeline steel
TANG Hai-fang,WANG Bao,WANG Li-jian,ZHU Qi-mao
. 2016, (6): 85 -88 .  DOI: 10.13228/j.boyuan.issn 1003-9996.20150208