cobaltn.钴;钴类颜料;深蓝色
cobalt violet钴紫
cobalt glance辉钴矿
cobalt button钴粒
cobalt lustre钴光泽彩
Cobalt series科博尔特统
cobaltomenite硒钴矿
Cobalt doping钴掺杂
Cobalt source钴源
cobalt steels钴钢
cobalt powder钴粉