短語詞組短語rigid plastic foam 硬泡沫塑料modified rigid polyurethane foam 改性聚氨酯泡沫塑料rigid d foam 剛性泡沫Rigid structural foam 硬質(zhì)結(jié)構(gòu)泡沫rigid polyurethane foam plastics 硬質(zhì)聚醚型泡沫塑料Rigid polyurethane foam system 聚氨酯硬泡組合料sprayed rigid polyurethane foam 噴涂聚氨酯硬泡rigid structure foam 結(jié)構(gòu)硬泡 返回 rigid foam