A magnetic core, usually used for nondestructive reading, with two or more holes through which wires may be passed in order to create more than one magnetic path.是什么意思_A magnetic core, usually used for nondestructive reading, with two or more holes through which wires may be passed in order to create more than one magnetic path.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句