当液体的饱和蒸汽压等于外界压力时,液体就会沸腾,此温度叫液体在此压力下的沸点,对于纯 发布时间:2019-01-14 19:57 │ 来源:www.tikuol.com 题型:单项选择题 问题: 当液体的饱和蒸汽压等于外界压力时,液体就会沸腾,此温度叫液体在此压力下的沸点,对于纯物质,当外界压力升高时,其沸点()A、升高B、降低C、不变
题型:单项选择题 The art club is for members only. You can't go in _____ you are a member. [ ]A. unless B. because C. if D. though 查看答案