Must do derusting and to oxidation film processing, generally use chemical polishing or electrolytic polishing.
必须先做除锈及去氧化膜处理，一般使用化学抛光或电解抛光。
Thorough cleansing of joints and surfaces to remove electrolytic residue, including PC etchants, body salts, and processing chemicals, will minimize the effect of these parasitic batteries.
彻底清洁接点和表面可以清除电解残余物，包括印制电路蚀刻剂、人体盐和化学处理药品，会将这些寄生电池的影响降至最低。
The companies cut down more than 30% of energy consumption per unit of production of alumina, ethylene and caustic soda, and over 10% for crude-oil processing, electrolytic aluminum and cement.
这些公司从每单位氧化铝，乙烯和烧碱的生产中减少了30%能源消耗，原油加工，电解铝和水泥生产中则减少了10%以上。
The aluminum often needs to carry on chemical polishing processing before the electrolytic oxidation, increases its surface smooth finish and the radiance.
铝件在电解氧化前往往需要进行化学抛光处理，以增加其表面光洁度和光亮度。
Electrolytic recovery and ion exchange are used to recover silver from photo-processing wastewater.
采用电解法和离子交换法回收洗相废水中的银。
Electrolytic recovery and ion exchange are used to recover silver from photo-processing wastewater.
采用电解法和离子交换法回收洗相废水中的银。
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