1·This paper proposes a new anticorrosive process of phosphating instead of the traditional process of zincification to improve the ability of corrosion prevention of windscreen wiper.
研究了采用磷化处理工艺代替传统的镀锌工艺以提高汽车刮水器弹簧的防腐能力。
2·The life expectancy is several times to common zincification bolt;