Corrosion is an elctro-chemical process by which a metal such as mild steel ,returns to its natural state ,state ,such as iron oxide or rust.
Corrosion is an elctro-chemical process by which a metal such as mild steel ,returns to its natural state ,state ,such as iron oxide or rust.
原译：腐蚀是一种电化的过程，象低碳钢一类的金属，因腐蚀而回复到自然状态，如氧化铁，即铁锈。