新娘的手被指甲花染上漂亮的图案.Brides'hands are painted with beautiful patterns in henna.过了半个月, 指甲花长得有一尺高了.After a half a month, henna has grown a foot higher.小麦胚芽油、指甲花萃取精华 、 蜂蜜萃取精华、月见草油.Evening Primrose Oil Aloe Vera , Henna Extr...
研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.The process of chlorine leaching - purification - electrowinning for nickel extractioncopper residue is investigated.采用浸出 - 萃取 - 电积工艺,可生产高质量的1号阴极铜.The high quality No.1 negative pole copp...