Chi ti?t D?ch v? in tem nhãn m? ph?m ?em l?i s? ?n t??ng cho th??ng Hello?u D?ch v? in tem nhãn m? ph?m ?em l?i s? ?n t??ng cho th??ng hi?uShroud-The comfortable iron casing encompassing the electromagnetic lenses of the TEM. Solenoid-An electromagnetic lens fashioned by copper windings that has a direct present-day working through it.V?i ??i ng?