桡骨下端骨折侧面呈（）。
A．肘内翻畸形
B．餐叉样畸形
C．爪形手畸形
D．刺刀样畸形
E．动脉损伤
参考答案：B
If Western people think they are healthy eaters, they will have to think again.
袋滤器加热器的热源（）饱和蒸汽
A、0.5MPA
B、1MPA
C、0.3MPA
D、1.5MPA
