不宜进行拔罐的病证是（）
A.伤风感冒
B.溃疡患处
C.瘀血痹阻
D.体弱疲劳
E.闪挫扭伤
参考答案：B
How did it that the car fell off the bridge into the river? [ ]
A. come out
B. come about
C. come across
D. come up
鲁奇管冷式甲醇合成塔的优点有哪些？
