麻疹患儿隔离至() ["出疹后3天","出疹后5天","出疹后7天","症状完全消失","症状完全消失后1周"]
机组滑参数启动有何特点?
猩红热患儿隔离至() ["出疹后3天","出疹后5天","出疹后7天","症状完全消失","症状完全消失后1周"]
机组启动、停机过程中,为什么要规定蒸汽的过热度?
以下关于小儿惊厥的叙述错误的是() ["由于神经细胞异常放电引起","发作时让患儿去枕平卧,头偏一侧","在上下牙间放置牙垫或纱布包裹的压舌板","高热惊厥的患儿日后发热仍有可能出现惊厥","癫痫是小儿惊厥最常见的原因"]
汽轮机胀差在什么情况下出现负值?