不属于放射诊疗的分类() ["介入放射学","X射线影像诊断","医学治疗","放射治疗","核医学"]
顶(撑)杆的安装要求底部设有防沉措施,埋深不宜小于。()。 ["0.5m","0.8m","1.0m","1.2m"]
手足三阳经交于() ["手","足","头","腹","胸"]
属于放射诊疗对患者和受检者的防护要求的是() ["严格控制受照剂量","对邻近照射野的敏感器官和组织进行屏蔽防护","事先告知患者和受检者辐射对健康的影响","遵守医疗照射正当化和放射防护最优化的原则","以上都是"]
影响汽压变化速度有()等因素。 ["负荷变化速度","锅炉自身的蓄热能力","锅炉燃烧设备的热惯性","锅炉水位的变化"]
磨机筒体内矿石量占总矿浆量的比例称为()