CT在四肢关节损伤与软组织病变中可考虑的不包括()
A.股骨头缺血性坏死
B.骨的囊性病变
C.骨干横行骨折
D.骨和软组织肿瘤
E.骨与关节感染
参考答案:C
— Could you tell me ____ for the meeting this morning?
— Because the traffic was bad.
A.why did you come late
B.why you came late
C.why do you come late
D.why you come late
重介质粒度与旋流器直径及入料压力间的关系?