室内消火栓系统管道安装工艺标准

@[e-mail]@gpszx.com©[e-mail]@[e-mail]14604-1998122.12.1.12.1.22.22.32.3.12.3.233.13.23.2.13.2.23.2.33.2.43.33.3.13.3.2©[e-mail]@[e-mail]243.3.34mm50mm4.5mm70mm3.3.415%15%3.3.53.3.63.3.73.3.83.43.4.13.4.23.4.33.4.41.0MPa1.4MPa1MPa0.4MPa303.4.53.514#3.63.6.13.6.244.14.24.31.2m20mm140mm©[e-mail]@[e-mail]34100mm5mm566.16.277.17.27.37.3.17.3.27.3.37.3.47.3.57.3.67.3.77.47.4.17.4.27.57.67.77.87.97.9.17.9.27.9.37.9.47.9.57.10©[e-mail]@[e-mail]447.10.17.10.27.10.37.10.47.117.1288.18.2918B38.3GB50261?6