cobaltn.钴;钴类颜料;深蓝色
cobalt drier钴催干剂
cobalt brown钴棕
cobalt green钴绿
cobalt matte冰钴
cobalt nickeln.镍钴合金
cobalt purite硫钴矿
cobalt effect钴效应
cobalt pellet含钴颗粒料
cobalt yellow钴黄,亚硝酸钾钴
cobalt alloys钴合金