安全，是人类走上工业化道路的一个永恒的主题。
Safe, it is the mankind is on industrialized viatic a lasting theme.
自进入工业化以来，工伤事故就一直伴随着人类的生产活动。
Since the industrialization from human, industrial injury accident has been associated with human production.
自进入工业化以来，工伤事故就一直伴随着人类的生产活动。
Since the industrialization from human, industrial injury accident has been associated with human production.
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