更换下的冶金机械典型零件修复的经济性应进行分析。
Objective:To study the curative effects of hypopharyngeal carcinoma by treatment of pharyngectomy and repairment surgery.目的:探讨下咽癌外科切除与修复手术的治疗效果。
Objective changes of repairment of dysfunction of nerves of pharyngeal muscles, laryngeal muscles, epiglottic muscles and piriformis were observed.观察咽缩肌、会厌肌等神经功能紊乱修复的客观变化。