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氧气生产属于国际乙类二级防火防爆系统。齐齐哈尔钢厂动力分厂氧气系境已做到33年无火灾。主要是:一,严格执
Oxygen production belongs to Class B secondary fire and explosion protection system. Qiqihar Steel Plant power plant oxygen system has been 33 years without fire. Mainly: First, strict enforcement