处于汽—液相平衡状态下，液面上蒸汽所具有的压力，称为该温度下_爱下问搜题

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问题填空题

处于汽—液相平衡状态下，液面上蒸汽所具有的压力，称为该温度下的（），简称（）.

答案

参考答案：饱和蒸汽压；蒸汽压

补全对话，情景问答

A. You helped me rebuild my self-confidence

B. Don't mention it

C. That's great

D. Oh, it's my pleasure.

A:I got the job you recommended me for last week.
B:    1   . Congratulations!
A:I really don't know how I can thank you enough.
B:    2   .After all, you are very qualified for the position.
A: Thank you very much indeed.    3   .
B:   4   . You're always been good. What do you say we go out to celebrate?
A:    5   .

判断题

乙炔瓶，工作压力为1.5MPA.，使用时必须用减压器。