ما هو الفرق بين تزوير والصب
1. Difference between forging and casting: (1) Different meanings of forging and casting: Forging: use hammering and other methods to make the metal material in the plastic state into a workpiece with certain shape and size, and change its physical properties. صب: the processing method of melting metal into liquid, […]
ما هو الفرق بين تزوير والصب تابع القراءة »