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据《锅炉压力容器安全技术》1997年第3期战德成报道,白1997年5月以来,烟台市先后发生两起氧气瓶爆炸事故。
According to “Boiler and Pressure Vessel Safety Technology” No. 3 of 1997, war Germany reported that since May 1997, two oxygen bomb explosions have occurred in Yantai City.