EXPLORATION OF THE STARTING POINT OF RECOIL LINE OF PERMANENT MAGNET DECIDED BY THE WORKING STATUS OF THE POLARIZED MAGNETIC SYSTEM是什么意思_EXPLORATION OF THE STARTING POINT OF RECOIL LINE OF PERMANENT MAGNET DECIDED BY THE WORKING STATUS OF THE POLARIZED MAGNETIC SYSTEM在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句