短語(yǔ)詞組短語(yǔ)low sulfur expansible graphite 低硫可膨脹石墨的superfine expansible graphite 超細(xì)可膨脹石墨micron expansible graphite 微米級(jí)可膨脹石墨Fine powder of expansible graphite 可膨脹微粉石墨sulfur -free expansible graphite 無(wú)硫可膨脹石墨 返回 expansible graphite