我国有关部门于1974年先后两次赴波兰考察粉煤灰加气混凝土生产技术。了解到该国在这方面已形成了具有一定特点的生产工艺和设备,即“乌尼泊尔”加气混凝土专利。为了进一步提高我国利用粉煤灰生产加气混凝土的技术水平,加快建设速度,我国有关部门最近与波方商 China’s relevant departments visited Poland twice in 1974 to inspect fly ash aerated concrete production technology. It is understood that the country has formed a production process and equipment with certain characteristics in this regard, that is, “Ukrainian Nepalese” patent for aerated concrete. In order to further improve the technical level of China’s use of fly ash to produce aerated concrete and accelerate the speed of construction, China’s relevant departments have recently