名词中文翻译
中文翻译：外部磁铁
同义词：
['external field', 'external force例句：1. The external magnet is attracting the iron filings towards it.（外部磁铁正在吸引铁屑向它移动。）']
例句：
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1. The external magnet is attracting the iron filings towards it.
外部磁铁正在吸引铁屑向它移动。
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2.The external magnet was used to align the gears in the machine.
外部磁铁被用来对机器中的齿轮进行对齐。
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3.The external magnet was responsible for the magnetic field around the device.
外部磁铁负责设备周围的磁场。