In tem 7 m?u ch?ng gi? bút máy ánh d??ng thi?t k? m?u theo yêu c?u Tem Decal b? c?a B? Công AnShroud-The smooth iron casing encompassing the electromagnetic lenses of your TEM. Solenoid-An electromagnetic lens fashioned by copper windings by using a immediate recent functioning by means of it.Virtual - presents a simulated microscope knowledg