japer meaning in Chinese
开玩笑者
Examples
- This japer introduces characteristic of peroxide bleaching , advantage and disadvantage of sodium silicate used for principal additive in peroxide bleaching process , mechanism of silicate precipitating , practice in control of silicate deposition in dip production
摘要本文介绍了过氧化氢漂白特点，硅酸钠作为过氧化氢漂白的重要添加剂的优缺点，硅酸盐沉积机理，脱墨浆生产中防止硅酸盐垢的生产实践。