ObjectiveTo summarize the experience in surgical technique and clinical results of treating ischemic mitral regurgitation ( IMR ).

目的探讨缺血性二尖瓣关闭不全 ( IMR ) 手术治疗的方案.

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It emphasized the idea and methods of leveling control, IMR bend control and BUR crown control.

重点介绍了矫平控制 、 中间辊弯辊控制、支撑辊凸度调节控制的思路和方法.

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