镍棒, Nickel rod

铌 锭/块, Niobium ingot/button

铌箔, Niobium foil

铌箔, Niobium foil

铌丝, Niobium wire

钯粉, Palladium powder

海绵状钯, Palladium sponge

钯箔, Palladium foil

钯线, Palladium wire

钯丝, Palladium wire