PDF(5230 KB)
PDF(5230 KB)
PDF(5230 KB)
复杂温压场下直井轴-扭耦合振动系统动力学特性研究
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Dynamic characteristics of a vertical well drill string axial-torsional coupled vibration system in complex temperature and pressure fields
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