●又稱(chēng)多孔混凝土,無(wú)砂混凝土,孔穴均勻分布的蜂窩狀結(jié)構(gòu), 具有透氣、透水和重量輕的特點(diǎn)
Also known as porous concrete, sand-free concrete, honeycomb structure with evenly distributed holes, with the characteristics of air permeability, water permeability and light weight