Conventional magnetic field form used in welding technology including horizontal magnetic field, vertical magnetic field and sharp-angled magnetic field, mainly excited by DC, AC and pulse excitation.是什么意思_Conventional magnetic field form used in welding technology including horizontal magnetic field, vertical magnetic field and sharp-angled magnetic field, mainly excited by DC, AC and pulse excitation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句