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Cobalt - based alloy is a kind of important materials used in elevated temperature.钴基合金是一种重要的高温材料.Recovery of cobalt from Co - Ni residue in zinc hydrometallurgy has been studied.研究了从湿法炼锌净化钴镍渣中回收有价金属....a woman in a soft...
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cobalt的音标：cobalt的英式发音音标为：['kəʊbɔ:lt]cobalt的美式发音音标为：['koʊbɔlt]...
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They walked past stalls selling huge sprays of crimson, saffron and cobalt flowers.他们经过很多卖花的摊位，摊位上摆着大把大把的鲜花，有深红色的，有金黄色的，还有深蓝色的。Sixty - five percent of the special heat resistant metal in a jet engine is made of cobalt.喷气...