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采矿业在中国是高危行业,在美国却是非常安全的行业。我国采矿业事故死亡人数是美国的近十倍。为什么会有如此截然不同的状况?我们可以从美国
Mining is a high-risk industry in China and a very safe industry in the United States. The death toll from mining accidents in the United States is nearly ten times that of the United States. Why is there such a completely different situation? We can from the United States