关于脓性指头炎切开引流的叙述()。
A.在波动最明显处切开
B.在患指侧面横形切开
C.在患指侧面纵形切开
D.在患指背侧切开
E.在患指掌侧切开
参考答案:C
—According to my grandma, it is a good idea to eat chicken soup when you have a cold.
—_____, scientists agree with her.[ ]
A. Sooner or later
B. Once in a while
C. To be exact
D. Believe it or not
由于逆流再生固定床离子交换装置树脂的保护层质量好,其允许的交换流速比一般的顺流再生固定床可以大一些。()