Research on the balance between subglacial bedrock drilling parameters and capabilities of anti-torque system of cable-suspended electromechanical dril...

The study of the armed cable suspended electro-mechanical ice coring drill with near-bottom air reverse circulation 【作者】 胡正毅 【学位名称...

Theoretical and experimental study on fragmentation mechanism during polar ice debris-rich ice drilling 【作者】 杨成 【学位名称】 博士 ...