铬块, Chromium chunks

Co/Co3O4纳米粉末, Cobalt nanopowder

钴块, Cobalt lump

钴柱, Cobalt slug

钴箔, Cobalt foil

钴溅射靶, Cobalt sputtering target

钴线, Cobalt wire

钴棒, Cobalt rod

铜粉, Copper powder

铜粉, Copper powder

铜粒, Copper shot

铜柱, Copper slug

铜柱, Copper slug

铜箔, Copper foil

铜箔, Copper foil