Stainless steel in addition to steel, usually after pickling white.
不锈钢除元钢外，通常都是经过酸洗呈现白色。
2
In addition to the cost of pickling iron, we can also save the cost of rivets and wages of assembling.
除酸洗板的费用之外，我们也能节省铆钉和组立的工资的费用。
3
To introduce a set of determining unit of acid fog designed by oneself, its operation method, and its application in selecting addition for acid pickling.