4) impermeable material
防渗材料;不透水材料
5) permeable base materials
透水基层材料
1.
Permeability coefficient test of permeable base materials;
透水基层材料渗透系数测试
6) micro-porous permeable material
微孔透水性材料
1.
A kind of micro-porous permeable material 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。
补充资料：透水
1.跳水，跳进水里自杀。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条