In the course of transmission, the speed of electrons straight correlates to electron wavelength; the more quickly electrons move, the shorter wavelength and also the increased the quality and detail in the impression. THÊM VÀO GIỎ NHẮN TIN ZALO Giỏ hàng của bạn có sản phẩm Tổng tiền thanh toán: https://alcuind952gkm1.nytechwiki.com/user