谁能用英语介绍一样发明物.
来源:学生作业帮 编辑:百度作业网作业帮 分类:英语作业 时间:2024/08/18 13:56:41
谁能用英语介绍一样发明物.
什么发明物都行,只要读2分钟半就行了
什么发明物都行,只要读2分钟半就行了
![谁能用英语介绍一样发明物.](/uploads/image/z/4435888-40-8.jpg?t=%E8%B0%81%E8%83%BD%E7%94%A8%E8%8B%B1%E8%AF%AD%E4%BB%8B%E7%BB%8D%E4%B8%80%E6%A0%B7%E5%8F%91%E6%98%8E%E7%89%A9.)
Edison in 1877 after the reform of trial began,and puts forward to make points current,change for the white light lamp the trial after to achieve satisfactory degree must find a glowing combustion to be filament,this material to live in the filament heat two QianDu one thousand hours of combustion.At the same time usage to simple,can endure blow touch,daily use of cost,make even a light bright and destroy not affect any other a light bright and destroy every lamp,keep the relative independence in order to choose this do light that was very bold vision,need great efforts to explore under and to experiment