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煤田自燃是指在自然环境下,因为氧化聚热沿煤层露头引发的煤炭燃烧,煤田自燃不断向深部发展所形成的大面积煤田火区是人类面临的重大自然灾害。煤田火灾分布很广,遍布南北半球,不仅中国有,而且在印度、美国、俄罗
Spontaneous combustion of coal refers to the natural disasters that human beings face as a result of spontaneous combustion of coal spontaneous combustion along the outcrop of coal in natural environment. Coal fire is widely distributed throughout the northern and southern hemispheres, not only in China, but also in India, the United States, Russia