日期：
来源：雅诚德英语网
A industrial detergent YR - 101 for cleaning metal was prepared. The detecting method for detergency of the detergent was introduced.
介绍了YR- 101工业洗涤剂的研制过程及洗涤剂去污力指标的检测方法。
A industrial detergent YR - 101 for cleaning metal was prepared. The detecting method for detergency of the detergent was introduced.
介绍了YR- 101工业洗涤剂的研制过程及洗涤剂去污力指标的检测方法。