我国重大急性职业中毒事故的发生在高危行业、重点毒物和主要岗位有明显的集中趋势；
The trend of the characteristics of severe acute occupational poisoning accidents is centralized in the high risk industries, poisons and jobs.
我国重大急性职业中毒事故的发生在高危行业、重点毒物和主要岗位有明显的集中趋势；
The trend of the characteristics of severe acute occupational poisoning accidents is centralized in the high risk industries, poisons and jobs.
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