Projector lens-The ultimate lens in the TEM. Employed to aid in magnifying the impression and also to task the magnified graphic onto the phosphorus screen. L?i ích c?a tem v? ??i v?i doanh nghi?p r?t l?n. T? th?c t? chúng tôi ghi nh?n m?t s? giá tr? thi?t th?c nh?t khi