铜柱, Copper slug

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

铜管, Copper tubing

镝箔, Dysprosium foil

铒棒, Erbium rod