The technology of VPI directly affects the performance and useful life of motor.

鉴于VPI技术直接影响电机的性能和使用寿命.

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Objective : To investigate the application of a modified palatophargneous flap velopharyngeal incompetence ( VPI ).

目的: 研究改良腭咽 肌 瓣重建腭咽闭合功能治疗中的应用.

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Objective To study the acoustic features of the consonant of the patients with velopharyngeal insufficiency ( VPI ).

目的研究腭裂术后腭咽闭合功能不全型患者辅音的声学特点.

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