事情发生在1993年11月4日9时40分，山西省阳泉市郊区金属镁厂突然神不知鬼不觉地燃起了冲天烈火，烧毁部分库房、原料、半成品等，损失23万余元。起火后，职工使用氟化钙灭火没有奏效，立即报警，并采取了停电、停气及疏散措施。公安消防队赶到火场时，火势已凶猛肆虐。为了避? The incident took place at 9:40 on November 4, 1993. The metal magnesium plant on the outskirts of Yangquan City, Shanxi Province suddenly ignited a fiery fire and burned part of its warehouses, raw materials and semi-finished products, losing more than 230,000 yuan. After the fire, workers using calcium fluoride fire fighting did not work, immediately call the police and took a power outage, stop gas and evacuation measures. Police fire brigade rushed to the scene, the fire has fierce raging. In order to avoid?