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[问答题,简答题] 采用低电压大电流的加热制度有何优点?

Graves病可伴有:() ["周期性麻痹","重症肌无力","月经减少","近躯体肌群萎缩","贫血"] 下列关于旋毛虫病的病原学特点的描述,错误的是() ["幼虫只有到达骨骼肌才能发育成长","人和猪、猫、狗、鼠等均易感","人是终宿主而不是中间宿主","成虫和幼虫在同一宿主体内寄生","旋毛虫细小、雌雄异体"] 关于平喘药的叙述哪项错误() ["肾上腺素也能收缩支气管黏膜的血管,有助于平喘","沙丁胺醇是β2受体激动剂","异丙肾上腺素主要缺点是心率加快","阿托品可用于哮喘发作","色甘酸钠只能预防哮喘发作"] 旋毛线虫寄生于人体的部位是() ["脑","平滑肌","骨骼肌","肝","心肌"] 在我国,成人先天性心血管病的常见种类有() ["室间隔缺损","肺动脉瓣狭窄","动脉导管未闭","主动脉夹层","房间隔缺损"] 采用低电压大电流的加热制度有何优点?
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