自动灭火装置没有发挥作用缘于没有设置专用消防电路１９９７年１２月３０日晚，长春商业城发生大火，三楼商场被毁，七楼娱乐城遭殃，死亡１１人，重伤２人。这座商业城，东西长１６０米，南北宽４２米，高３２米，共７层，建筑面积５．６万平方米。东西各有一个直通楼顶... The automatic fire extinguishing device did not play a role because there was no special fire protection circuit. On the evening of December 30, 1997, a fire broke out in Changchun Commercial City, the shopping mall on the third floor was destroyed, and entertainment on the seventh floor was devastated, killing 11 people and seriously wounding two people. This commercial city is 160 meters long from east to west, 42 meters wide from north to south and 32 meters high. It has 7 floors and a building area of ​​56,000 square meters. Everything has a straight through roof...