薄壁无缝钢管顶管过程拉凹缺陷研究
尹元德，杨青青，王纯凯，汪龙，李修叶
Study on defect of pulled concave in push bench process of thinwalled seamless steel tubes
YIN Yuande, YANG Qingqing, WANG Chunkai, WANG Long, LI Xiuye
钢铁研究学报
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2019, (5): 460
-467
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DOI: 10.13228/j.boyuan.issn1001.0963-20180251
