目前小管子焊缝热处理广泛采用的加热设备是( )加热,虽然加热效果不及感应加热。但是结构简单、使用方便。
A.辐射B.红外线C.电阻炉D.紫外线
参考答案:C
Which of the following signs and symptoms would be an early indication that the client’s serum potassium level is below normal
A. Diarrhea.B. Tingling in the fingers.C. Sticky mucous membranes.D. Muscle weakness in the legs.
英伽登将艺术作品分为()
A.语音层
B.语义层
C.图式层
D.客体层
E.形式层