ac electromagnet
常见例句
- Rotating magnetic field is not caused by mechanical methods, but in AC pass in a few of the electromagnet, the nature of its magnetic cycle of change can be seen as rotating magnetic field.
轉動磁場竝不是用機械方法造成的，而是以交流電通於數對電磁鉄中，使其磁極性質循環改變，可看作爲轉動磁場。
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