感謝善心網友熱心提供,嘉惠眾生,無限感恩!
2 Responses
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,請問有級距嗎
很謝謝老師的幫助!