钴蓝，钴青
1. 钴蓝 钴青：cobalt tungsten alloy || 钴钨合金 | cobalt ultramarine || 钴蓝 钴青 | cobalt violet || 钴紫
2. 钴蓝：cobalt trifluoride ==> 三氟化钴 | cobalt ultramarine ==> 钴蓝 | cobalt unit ==> 钴源装置
noun
1. greenish-blue pigment consisting essentially of cobalt oxide and alumina
Synonym: cobalt blue