官员正在调查可能造成"凶猛的"炼油厂火灾的原因. Officials investigate likely cause of 'ferocious' oil refinery blaze.

调查人员认为可能导致"凶猛的"炼油厂大火的原因已经被揭露. Investigators believe a likely cause of a 'ferocious' oil refinery blaze has been revealed. 虽然具体细节尚不清楚, 但官员正在努力确定火灾的来源. While specific details remain unclear, officials are working to determine the source of the fire following the significant incident.