确定缺血和心功能()
A.心电图
B.动态血压
C.心电运动试验
D.超声心动图
E.放射性核素扫描
参考答案:E
It's a pleasure to watch the face of a __________ baby. [ ]
A. asleep
B. sleep
C. sleeping
D. slept
精梳机牵伸工艺设计有何要求?