食管癌等中心三野交叉照射后野双侧机架角度一般设置为()
A.±50°~±60°
B.±120°~±135°
C.±145°~±160°
D.±90°
E.±180°
参考答案:B
Danny did all kinds of things to make the boy
A.stop crying
B.to stop crying
C.to stop to cry
D.stop to cry
关于肺实变的体征下列哪项不正确
A.支气管语音
B.肺泡呼吸音增强
C.语颤增强
D.实音
E.病理性支气管呼吸音