One day the cow led Niulang to a lake where fairies took a bath on earth. Among them was Zhinu, the most beautiful fairy and a skilled seamstress.
一天,老牛带着牛郎来到一个湖边,这里是仙女下凡沐浴的地方。其中一个名叫织女,她是最漂亮的仙女,也是一名手艺娴熟的绣女。
Al and Rare Earth in bath can improve the corrosion resistance of coating.
锌池中的铝和稀土可以提高镀层的耐蚀性。
In this article, the effects of rare earth on Zn-Ni alloy electroplating from sulfate bath have been studied.
研究了稀土在硫酸盐体系电镀锌镍合金中的作用。
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