porous Ti多孔钛porousadj.可渗透的；多孔的porous aggregate多孔填料,多孔集料,多孔骨料porous diffusion疏松扩散,多孔扩散porous electrode多孔性电极,多孔电极porous condenser多孔冷凝器porous polythene多孔聚乙烯porous aluminium多孔Alporous precursor多孔前驱体porous microball多孔微球porous cast iron多孔铸件porous diaphragm多孔隔膜