患者肝移植术后1月，结合图像，最可能的诊断为()
A．肝脓肿
B．正常术后表现
C．肝梗死
D．血肿
E．以上都不是
参考答案：C
Was the door of the room _______ the whole day? [ ]
A. remained opening
B. allowed open
C. kept opened
D. left open
射流式液动锤利用什么原理配流？
