Unfortunately, once he was doing experiments on the train, the train suddenly bumps, so a fall on board the phosphorus, causing combustion.
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wear causing combustion product 燃烧产物引起的摩损
causing combustion
引起燃烧
以上为机器翻译结果，长、整句建议使用 人工翻译 。
However the study of the spontaneous combustion of coal seam causing surface subsidence deformation is very little, so the paper tries to study the problem.
然而煤层自燃引起的地表移动变形研究在国内外涉及很少，为此本论文对该问题进行了一定的探索和尝试。
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