PDF(2169 KB)
PDF(2169 KB)
PDF(2169 KB)
应力比对K55套管钻井钢疲劳裂纹扩展性能的影响
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Influence of Stress Ratio on the Fatigue Crack Propagation Behavior of K55 Casing-drilling Steel
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