In the course of transmission, the pace of electrons instantly correlates to electron wavelength; the more quickly electrons go, the shorter wavelength and also the larger the standard and element from the impression.Toggle navigation M?u s?n ph?m M?u cúp pha lê M?u cup pha lê m?i nh?t M?u bi?u tr?ng pha lê M?u h?p ??ng r??u cao c?p M?u h?p ??n