- It enrich the person-friendly graphic by adopting a volumized form and made the innovativeness by implementing a simple, elefant and State-of-the-art products graphic.S? d?ng cho h? th?ng ?i?n h? th? khi ngu?n c?p ph? t?i b? gián ?o?n B? chuy?n m?ch t? ??ng, giám sát và chuy?n ??i gi?a hai ngu?n ?i?n Chuy?n m?ch 3 v? trí I - O - IIS? d?ng ch