还原黑的颜色，添加咖啡或茶，强烈向冲洗水。
To restore the black color, add coffee or strong tea to the rinse water.
在还原的环境下的强酸清洗后，推荐用氧化冲洗以确保表面的氧化、有机物膜的去除和系统的消毒。
After strong acid cleaning in a reducing environment, it is recommended that an oxidizing flush be used to ensure oxidation at the surface, removal of organic films, and sanitization of the system.
应用推荐