Objective To observe the results of the metastatic tumor of spinal vertebra treated with replacement of the artificial vertebral body.
目的观察人工椎体置换治疗脊椎转移性肿瘤的疗效。
Conclusion Bileaflet valve has a better hemodynamic influence than tilting disk valve in on patients with replacement of mitral valve.
结论双叶机械瓣对二尖瓣置换术患者的血流动力学影响优于倾斜碟瓣。
Suboccipital retrosibmoidal craniotomy with replacement of bone flap and deep muscle incision, suture in turn were used in patients to improve the operative effect of posterior fossa tumor.
获得后颅窝枕颈交界处肌肉、颅骨的正常解剖结构有关资料，为桥小脑角区肿瘤、小脑半球肿瘤的手术治疗提供更优化的手术入路。
Additionally, the material traceability issue discovered in 2013 with critical passive core cooling valves, named squib valves, is being resolved with replacement parts that have been procured.
此外，被称为爆破阀的重要非能动堆芯冷却阀于2013年发现了材料的可追溯性问题，目前正在通过采购替换部分来解决。
Additionally, the material traceability issue discovered in 2013 with critical passive core cooling valves, named squib valves, is being resolved with replacement parts that have been procured.
此外，被称为爆破阀的重要非能动堆芯冷却阀于2013年发现了材料的可追溯性问题，目前正在通过采购替换部分来解决。
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