porous Cu多孔Cuporousadj.可渗透的；多孔的porous agricultural film[化] 多孔农用薄膜porous concrete pavement多孔混凝土路面porous starch absorption多孔淀粉吸附porous membranesubstrate多孔膜基材porous-clay pipe drain多孔粘土排水管porous titania microbead多孔二氧化钛微球porous metallic membrane多孔金属膜porous acoustic material多孔吸声材料porous calcium carbonate多孔碳酸钙Porous layer glass beads多孔层玻璃珠