门眼是凸透镜还是凹透镜做的啊?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 02:53:24
![门眼是凸透镜还是凹透镜做的啊?](/uploads/image/z/11277355-67-5.jpg?t=%E9%97%A8%E7%9C%BC%E6%98%AF%E5%87%B8%E9%80%8F%E9%95%9C%E8%BF%98%E6%98%AF%E5%87%B9%E9%80%8F%E9%95%9C%E5%81%9A%E7%9A%84%E5%95%8A%3F)
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