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目錄
移至側邊欄
隱藏
開始
1
磁鐵
切換目錄
物理課程/磁鐵
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外觀
移至側邊欄
隱藏
來自華夏公益教科書,為開放世界而開放的書籍
<
物理課程
此頁面可能需要
評審
其質量。
磁鐵
[
編輯
|
編輯原始碼
]
磁鐵是一種吸引金屬的材料,如鋼鐵、鐵氧體。有三種類型的磁鐵
磁鐵礦石磁鐵
電磁鐵
永磁鐵
類別
:
圖書:物理課程
華夏公益教科書