血尿的临床意义，下列哪项是错误的()
A. 肾小球肾炎最常见血尿
B. 肾肿瘤可出现血尿
C. 过敏性紫癜不会出现血尿
D. 尿道结石可引起血尿
E. 肾结核可引起血尿
Which of the following statements describes the function of an expansion tank in a diesel
A. Maintains a constant head on the system
B. Reduces the likelihood of air or steam pockets formation
C. Provides a low pressure point for the addition of makeup cooling water
D. All of the above
动车组一级检修在每次运行结束后或()以内进行一次。
A. 24 h
B. 36 h
C. 48 h
D. 72 h
1998年11月，世界公园定向组织与_______和_______合作，分别在_______和_______举办PWT赛事的两站比赛。
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