SARS的传播途径是() ["母婴","蚊虫","水、食物","土壤","空气"]
消渴脉络瘀阻证,治疗应首选的方剂是()。 ["平胃散合桃红四物汤","血府逐瘀汤","肾气丸","丹参饮","六味地黄丸"]
下列属于气体在离心压缩机级中的流动损失有()。 ["内漏气损失","摩阻损失","冲击损失","轮阻损失功","尾迹损失"]
过渡配合的特性是能够得到() ["最大过盈","最大间隙","最大过盈和最大间隙"]
细菌性痢疾主要经() ["虫媒传播","疫水传播","飞沫传播","食物传播","直接接触传播"]
血凝的基本过程