(4) business card printing and membership card making quality rough, deink, tainted phenomenon serious.
基于1个网页-相关网页
making quality rough
使质量粗糙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The production process and technical parameters of making high quality refined nickel sulphate for cell industry & electroplate industry by using rough nickel sulphate as raw materials are described.
介绍以粗硫酸镍制备电池工业用精制硫酸镍和电镀级硫酸镍的生产工艺和技术参数。
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