国内女人喷潮完整视频,免费看三片在线播放,国产人妻互换一区二区水牛影视,最新吃瓜爆料免费观看

彩鋼巖棉夾芯復(fù)合板：是彩色鋼板為面層，巖棉、防火、阻燃的保溫材料作芯層的新型建筑材料。具有重量輕、隔熱好，吸音及密封存存性好，施工方便，周期短，綜合造價低，抗彎，搞腐蝕，外型美觀等明顯優(yōu)勢。品質(zhì)特征： (1)隔熱保溫，導(dǎo)熱系數(shù)：0.035w/m 2 k。(2)強(qiáng)度高，可作圍護(hù)結(jié)構(gòu)，承重結(jié)構(gòu)，抗彎抗壓，一般房屋不用梁柱。(3)色澤鮮艷，無需表面裝飾。(4) 安  裝靈活快捷，施工周期可縮短40％以上。

color steel rock wool sandwich composite board: color steel plate is the surface layer, rock wool, fire retardant, flame retardant insulation material as the core layer of new building materials. it has the advantages of light weight, good heat insulation, sound absorption【敏感詞】sealing, good storage, convenient construction, short cycle, low comprehensive cost, bending resistance, corrosion, beautiful appearance【敏感詞】so on. quality features: (1) insulation, thermal conductivity: 0.035w/m 2 k. (2) high strength, can be used as enclosure structure, load-bearing structure, bending resistance, compression, general housing without beam column. (3) bright colors, no surface decoration. (4) flexible【敏感詞】fast installation, the construction period can be shortened by more than 40％.