Ilẹ Galvanized, imọlẹ to ga julọ, resistance ipata to lagbara.
Carburize tempering itọju, lile lile ilẹ.
Imọ-ẹrọ ti ilọsiwaju, iṣẹ titiipa giga.
Ilẹ Galvanized, imọlẹ to ga julọ, resistance ipata to lagbara.
Carburize tempering itọju, lile lile ilẹ.
Imọ-ẹrọ ti ilọsiwaju, iṣẹ titiipa giga.