尽管每一个地方的开采流程不同，但是对高毒性化学物质释放是相同，可怕的故事充斥在中毒的自来水系统和矿工周围。
Although the extraction process in each location differs, they share a need for highly toxic chemicals. Horror stories abound about poisoned water supplies and miners.
其中中性粒细胞在肺内蓦集，释放蛋白酶、氧自由基等毒性物质是一重要发病机制。
Among various inflammatory mediators neutrophil is thought to be a major pathogenesis by accumulation in distal airway and secreting elastase and oxygen-free radicals.
其中中性粒细胞在肺内蓦集，释放蛋白酶、氧自由基等毒性物质是一重要发病机制。
Among various inflammatory mediators neutrophil is thought to be a major pathogenesis by accumulation in distal airway and secreting elastase and oxygen-free radicals.
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