Additionally it is used as wetter in glass etching and acid bath for metal surface.
在玻璃蚀刻过程中作润湿剂，在金属表面处理酸浴过程中作润湿剂。
This paper expounds the necessity for improving oil and rust removal process on metal surface, as well as its operating mechanism, the whole process, the bath control and its main characteristics.
阐述改进金属表面除油除锈工艺的必要性、工作机理、工艺全过程、槽液控制和主要特点。
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