铬粉末, Chromium powder

铬片, Chromium pieces

铬溅射靶, Chromium sputtering target

钴块, Cobalt lump

钴箔, Cobalt foil

钴箔, Cobalt foil

钴丝, Cobalt wire

纳米铜, Copper nanopowder

铜粉, Copper powder

铜粒, Copper shot

铜柱, Copper slug

铜薄箔, Copper Thinfoil

铜箔, Copper foil

铜箔, Copper foil

铜片, Copper discs