电规准
室壁瘤的主要依据是() ["频发室早","病理性Q波及ST段持续抬高","T波倒置","运动试验阳性","慢性心功能不全"]
电火花加工
上颌第一磨牙近中舌角为() ["直角","锐角","钝角","斜角","圆角"]
完全性左束支传导阻滞的典型心电图表现是下列哪一项() ["V1<\/sub>呈rS型,QRS>0.12秒,V5<\/sub>、V6<\/sub>呈宽R波,R波切迹,其前无Q波","P-R>0.20秒","V1<\/sub>呈rsR型,QRS>0.12秒,V5<\/sub>、V6<\/sub>R波增宽","心电轴左偏","心电轴右偏"]
前后配重(前/后)