下列疾病中不属于胆囊增生性疾病的是()
A.Mirizzi综合征
B.腺肌瘤病
C.纤维瘤病
D.胆固醇沉着病
E.神经纤维瘤病
参考答案:D
His grandfather _______ for thirty years. [ ]
A. died
B. was head
C. has been dead
D. has died
大修工序一般分为“拆、修、装”三个阶段进行,其中“修”是指对设备进行清扫、检查、处理设备缺陷,更换易磨损部件,落实特殊项目的技术措施,这是检修的重要环节。