“钴”造句
2024年05月22日 14:57:13
黄铁矿很多,并且含
钴,在硫化物块体中成稠密的斑块.
Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.
喷气发动机中65%的特殊耐热金属材料是用
钴制造的.
Sixty - five percent of the special heat resistant metal in a jet engine is made of cobalt.
在硫酸盐电解液中,采用脉冲电源电沉积了镍
钴合金.
Ni - Co alloys were deposited by applying current pulses from a sulfate electrolyte.