Sixty-five percent of the special heat resistant metal in a jet engine is made of cobalt . 喷气发动机中65%的特殊耐热金属材料是用钴制造的。
The shading of the color can be varied to match natural hues very closely by increasing or decreasing the amount of cobalt chloride . 通过增加或减少氯化钴的用量能够调节颜色的深浅程度使其和天然颜色非常相近。
Determination of copper , cobalt , nickel and zinc in coal 煤中铜钴镍锌的测定方法
Dental base metal casting alloys - cobalt - based alloys 牙科金属基合金.钴基合金
Motor : 05 cobalt motor or a3630 3 brushless motor 马达: 05钴电机或a3630 3无刷电机