The type vacuum arcing chamber is miniaturization product, adopts copper and chrome contactor material, cup shape and longitudinal magnetic field structure, glass insulation case, sealing type shield barrel in the plate.是什么意思_The type vacuum arcing chamber is miniaturization product, adopts copper and chrome contactor material, cup shape and longitudinal magnetic field structure, glass insulation case, sealing type shield barrel in the plate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句