手法整复肱骨干下1/3骨折时，其重点手法是（）。
A.充分牵引
B.端提
C.挤按
D.成角折顶
E.屈伸关节
参考答案：B, C
— Let me help you.
— _____. [ ]
A. You're welcome
B. Thanks very much
C. Don't worry
D. Yes, thanks
什么是防染印花？
