关于食管癌X线钡餐表现的描述中,下列哪项不正确()
A. 食管壁有小的溃疡龛影
B. 食管下端鸟嘴状狭窄
C. 局限性食管黏膜皱襞增粗和断裂
D. 局限于管壁一侧小的充盈缺损
E. 局限性管壁僵硬
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RFID为非接触式自动识别技术,只有两个基本器件()。
A. 阅读器和标签
B. 阅读器和天线
C. 阅读器和条形码
D. 标签和天线
Brunnstrom不仅是功能评定技术,也是一种康复治疗技术。
A. 正确
B. 错误
The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in () while that for latter one is ().
A. sufficient quantity; measured
B. measured quantity;sufficient
C. excessive quantity;sufficient
D. the less quantity the better;the more the better