钴棒, Cobalt rod

铜粉, Copper powder

铜, Copper

铜粒, Copper shot

铜柱, Copper slug

铜箔, Copper foil

铜箔, Copper foil

铜箔, Copper foil

铜溅射靶, Copper sputtering target

铜纱, Copper gauze

铜线, Copper wire

铜线, Copper wire

铜棒, Copper rod

镝粉, Dysprosium powder

镝箔, Dysprosium foil