?ây là m?t trong nh?ng ph??ng pháp in ?n hi?n ??i nh?t Hello?n nay. Công ngh? Offset tuy?t v?i ??n m?c cho ra thành ph?m ??p nh?t v?i chi phí r? nh?t.At the very best in the column is definitely the electron gun which couples to some high voltage source utilized to established the kinetic Electricity from the electron beam. Normal accelerat