压缩喷雾器喷洒农药农村中常用来喷洒农药的压缩喷雾器的结构如图1所示,A的总容积为7.5L,装入药液后,药液上方体积为1.5L,关闭阀门S,用打气筒B每次打进1atm的空气250cm3. (1)要使药液上
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 01:19:05
![压缩喷雾器喷洒农药农村中常用来喷洒农药的压缩喷雾器的结构如图1所示,A的总容积为7.5L,装入药液后,药液上方体积为1.5L,关闭阀门S,用打气筒B每次打进1atm的空气250cm3. (1)要使药液上](/uploads/image/z/2300159-47-9.jpg?t=%E5%8E%8B%E7%BC%A9%E5%96%B7%E9%9B%BE%E5%99%A8%E5%96%B7%E6%B4%92%E5%86%9C%E8%8D%AF%E5%86%9C%E6%9D%91%E4%B8%AD%E5%B8%B8%E7%94%A8%E6%9D%A5%E5%96%B7%E6%B4%92%E5%86%9C%E8%8D%AF%E7%9A%84%E5%8E%8B%E7%BC%A9%E5%96%B7%E9%9B%BE%E5%99%A8%E7%9A%84%E7%BB%93%E6%9E%84%E5%A6%82%E5%9B%BE1%E6%89%80%E7%A4%BA%2CA%E7%9A%84%E6%80%BB%E5%AE%B9%E7%A7%AF%E4%B8%BA7%EF%BC%8E5L%2C%E8%A3%85%E5%85%A5%E8%8D%AF%E6%B6%B2%E5%90%8E%2C%E8%8D%AF%E6%B6%B2%E4%B8%8A%E6%96%B9%E4%BD%93%E7%A7%AF%E4%B8%BA1%EF%BC%8E5L%2C%E5%85%B3%E9%97%AD%E9%98%80%E9%97%A8S%2C%E7%94%A8%E6%89%93%E6%B0%94%E7%AD%92B%E6%AF%8F%E6%AC%A1%E6%89%93%E8%BF%9B1atm%E7%9A%84%E7%A9%BA%E6%B0%94250cm3%EF%BC%8E+%EF%BC%881%EF%BC%89%E8%A6%81%E4%BD%BF%E8%8D%AF%E6%B6%B2%E4%B8%8A)
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