khong biet thi dung viet bay
cac mach dien tu neu tinh toan dung
thi sai ngay nay qua thang no
neu noi nhu may
thi cac cong cu dien tu hay radar
phai nghi de duong ha??do ngu
dien tu che bien tu chu au luon hoat dong khong ngung
vi cac chip deu co chat xu
chiu dung nhiet do cao
hon nu he lam nguoi duoc tinh toan du de lam nguoi
muon hieu them toi se giai nghia tuong tan tu cau truc den san pham !!!