ironwork

[Result] The ironrusty size on ironwork is biggest in water, secondly in glutaral, last in 75% alcohol.

方法用水、75%酒精、健之素(含氯消毒剂)、戊二醛溶液持续浸泡铁制品40d,外皮和送水管各150d,与未经浸泡者进行比较。

Along with the development of the demand of steel products in our country, the manufacture is increasing quickly, and the computer control system gets more and more extensive application.

随着我国钢铁制品需求量的不断增加，钢铁制品生产发展迅速，计算机控制系统已经得到越来越广泛的应用。