短語詞組短語porous hard carbon sphere 多孔碳微球median porous active carbon 中孔活性炭porous hard carbon spherule 多孔硬碳球porous graphitic carbon column 多孔石墨化碳柱porous pyrolytic carbon 疏松熱解炭porous active carbon 多孔活性炭porous graphitized carbon black 多孔石墨化碳黑porous biomorphic carbon 多孔生物形態(tài)碳 返回 porous carbon