Ọkan, gbogbo irin alagbara, irin afọju rivet ga otutu resistance.
Meji, iṣẹ ṣiṣe ti ara ti gbogbo irin alagbara, irin rivet afọju, ni oṣuwọn odi eletiriki giga.
Mẹta, gbogbo irin alagbara, irin afọju rivet agbara agbara, fifuye to lagbara.
Akoko ifiweranṣẹ: Jan-25-2021