可腐蚀性的;
Based on detecting old fuel gas pipe material, corrosion condition, soil corrodibility and corrosion mechanism, this dissertation posed coating protection method that polythene gummed tape preservation layer can be used to the old pipes and polythene interlayer preservation layer can be used to new pipes.
本论文在细致考察了旧燃气管道材质、腐蚀状况、土壤腐蚀性和腐蚀机理的基础上,提出对于旧管道采用胶带防腐层,新管道宜采用聚乙烯夹克防腐层的涂层防护措施。
Research on the stability, corrodibility and disinfection actions of trinary solid stable chlorine dioxide
固体三元稳态ClO2杀菌剂稳定性、腐蚀性及杀菌消毒特性研究
The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.
细粒子中有较多的酸性污染物并比粗粒子酸性强,这些细粒子对石窟有侵蚀作用。
简答网 · 英语词汇
简答网 · 双语娱乐资讯
简答网 · 中考英语
简答网 · 高考英语
简答网 · 四六级英语
简答网 · 双语新闻