髋关节脱位时根据股骨头脱位的高低分为3度:Ⅰ度,股骨头位于( )水平;Ⅱ度,股骨头位于( )水平;Ⅲ度,脱出的股骨头位于( )的部位。
参考答案:髋臼同一 髋臼外上方 髂骨翼
In April, 2009, President Hu inspected the warships in Qingdao, _____ the 60th anniversary of the
founding of the PLA Navy.
A. marking
B. marked
C. having marked
D. being marked
设备要经常保持清洁,按()规定进行。
A.机械
B.电器
C.润滑
D.保养