Projector lens-The final lens in a TEM. Applied to help in magnifying the graphic and to job the magnified graphic onto the phosphorus screen.Không b? ?nh h??ng b?i các tác ??ng c?a môi tr??ng, b?t k? ?i?u ki?n th?i ti?t có ?? ?m cao, l?nh hay nhi?t ?? caoE-mail: [email protected] T? v?n tr?c tuy?n: Within an Anh 0 Tài kho?n ??ng nh?p ?