汽轮机单缸进汽的危害是()。 ["A、排汽温度升高;","B、推力轴承烧瓦;","C、轴向推力增大;","D、真空下降。"]
女,2岁,咳嗽,结合图像,最可能的诊断是() ["先天性肺不张","细支气管肺炎","先天性支气管闭锁","先天性囊性腺瘤样畸形","肺隔离症"]
什么是马克思主义民族观?
全瓷修复体粘结面处理不正确的是(). ["可采用30%~50%的磷酸处理","长石质陶瓷用氢氟酸处理","表面用硅烷处理","可以采用喷砂处理","超声清洗"]
便血脾胃虚寒型的主方为() ["归脾汤","黄土汤","知柏地黄汤","桑杏汤","黄芪建中汤"]
发热的伴随症状。