The article explains the main behaviors of the oil tank fire resistingdevice as specified in the national standard in rerpect to such devices (draft) .
本文对国内制定的阻火器国家标准（草案）规定的石油储罐阻火器的主要性能作了说明。
2
The process of finger mark resistingdevice and its importance to the quality of the hot galvanized strip is introduced in this article. Market prospect is also discussed in this article.
简要介绍了耐指纹工艺及其装置以及该装置在连续热镀锌带钢生产中对产品质量的重要性及市场前景。
3
The paper presents the development , structural characteristics, key technologies used and service effect of the first chinese built movable and water cooling less fume resistingdevice for convertor.