感謝善心人士(何老師),熱心提供,感恩…….
One Response
Stay in touch with the conversation, subscribe to the RSS feed for comments on this post.
You must be logged in to post a comment.
竭誠歡迎您光臨本物理教學網站! 版主 張慶堂
Stay in touch with the conversation, subscribe to the RSS feed for comments on this post.
You must be logged in to post a comment.
不好意思 他好像是第三次