The finish of the hand is achieved by electroplating involving several stages: leaching, degreasing, pre-nickelplating and nickelplating, along with numerous rinses.
指针的表面电镀需经过下列几道工序：过滤、去油脂、预镀镍、镀镍，之间还穿插了数次清洗。
Electrolysis degreasing, electrolysis pickling and straight line flooding fulling process are adopted while pre-treatment.
预处理采用电解脱脂、电解酸洗、直线溢流漂洗工艺。
A newly developed high efficient degreasing and rust removing solution for pre blackening treatment of high strength bolt is presented.
根据高强度螺栓发蓝工艺的独特性，研制适用工艺要求的常温除油除锈液，在生产中应用良好。
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