压缩式制冷机有四个基本部件,()是制冷的部件。 ["压缩机","冷凝器","膨胀阀","蒸发器"]
留校察看处分怎样解除?
支原体肺炎首选() ["青霉素","红霉素","庆大霉素","耐青霉素酶的β-内酰胺类抗生素","万古霉素"]
受理申请医师执业注册的卫生行政部门,应当在多少日内给予申请人书面答复() ["十五日","二十日","三十日","四十日","四十五日"]
β受体阻滞剂的适应证() ["原发性高血压、心绞痛","糖尿病","房性心动过速","哮喘","过敏性休克"]
眼膏剂在制备及质量上有什么特殊要求?