A kind of micro-porous permeablematerial is prepared based on common features of existing permeable materials and taking dense accumulation of fine sand as the matrix and epoxy resin as binder.
根据已有透水材料的共同特点，以细砂密集堆积体为基质，环氧树脂为胶结料，制备出一种微孔透水性材料。
2
Permeable cement is a new-style Portland cement material.
渗透性水泥是一种新型的硅酸盐水泥材料。
3
A humidity generator of the permeable tube based on the membrane permeation principle of polymeric material is presented.