| 释义 |
platinum metal
platinum metal n (Elements & Compounds) any of the group of precious metallic elements consisting of ruthenium, rhodium, palladium, osmium, iridium, and platinum
platinum metal
platinum metal[′plat·ən·əm ′med·əl] (chemistry) A group of transition metals that includes ruthenium, osmium, rhodium, iridium, palladium, and platinum. |