[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。
本网站所收集内容来自网友分享仅供参考，实际请以各学校实际公布信息为主！内容侵权及错误投诉：1553292129@qq.com
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号：浙ICP备2024058711号