N any of the group of precious metallic elements consisting of ruthenium, rhodium, palladium, osmium, iridium, and platinum 铂系金属
platinum family metal铂族金属
platinum group metal deposits铂族金属矿床
platinum group metal铂族金属
platinum-metal oxides铂
platinum group metal catalysts铂系金属催化剂
platinum series metal complexes铂系金属铬合物
platinum group metal secondary resource铂族金属二次资源
melting concentrationof platinum group metal熔炼法富集铂族金属
platinum metal alloy铂族合金
N（名词） any of the group of precious metallic elements consisting of ruthenium, rhodium, palladium, osmium, iridium, and platinum 铂系金属