鉴别前列腺增生与神经源性膀胱的检查是（）
A.泌尿系统B型超声
B.测残余尿量
C.静脉肾盂造影
D.肾图
E.尿流动力学检测
参考答案：E
液氯泵轴承过热的原因？
A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.
A.bigger propeller
B.smaller power to weight ratio
C.smaller propeller
D.larger power to weight ratio
