弹簧压力计在测量气体压力时,测压点应设在管道()或两侧。
参考答案:上方
---_____?
---I don’t feel very well today. I’ve got a pain here.
A.Can I take your temperature
B.What’s wrong with you
C.Do you have a cough
D.How long have you been like this
坚持独立自主要求在任何时候都不能依赖和学习国外模式。