在加热炉上常用测温仪表有（）、光学高温计和全辐射高温计。
参考答案：热电偶高温计
The nurse is working in a support group for clients with acquired immunodeficiency syndrome (AIDS). Which point is most important for the nurse to stress（）
A. Avoiding the use of illicit drugs and alcohol.
B. Refraining from telling anyone about the diagnosis.
C. Following safer-sex practices.
D. Telling potential sex partners about the diagnosis, as required by law.
阀门强度试压应（），让中腔进水，整体试压。
A.全开
B.全关
C.半开半关
D.全开或全关都可以
