三角带传动如要增加传动力通常是通过（）来实现。 ["A、增大包角","B、减少包角","C、增加传动带的根数","D、增大主动轮"]
肾下垂()伤寒()慢性粒细胞性白血病() ["脾脏高度肿大","脾脏轻度肿大","深吸气时能触及l／2以上肾脏","肾表面不平，质地坚硬","肾脏肿大"]
液波震颤()上腹部搏动()腹壁紧张，伴有压痛、反跳痛() ["急性和亚急性肝坏死","肝囊肿","大量腹水","急性腹膜炎","肺源性心脏病，右心室肥大"]
船政学堂中的()是负责教授造船工艺的。 ["A、左学堂","B、右学堂","C、前学堂","D、后学堂"]
腹水病人()腹主动脉瘤()恶病质() ["腹部膨隆、脐部膨出","腹部膨隆、脐部凹陷","腹部局部隆起、出现搏动","全腹凹陷呈舟状","腹部局部凹陷"]
急性膀胱炎()肾结石()
