BPH行TURP下列哪项不是手术后的并发症
A.短暂的尿失禁现象
B.尿路感染
C. * * 括约肌损伤
D.膀胱颈瘢痕挛缩
E.术后高钠血症
参考答案:E
When the man came in, gun in hand, we all stood there, ____. [ ]
A. astonished
B. astonishing
C. being astonished
D. having astonished
当一台水泵的转速为1000r/min时,其轴功率为20KW,求其转速为1200r/min时的轴功率是多少?