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为了解高原地区砂土路养路工尘肺危害状况,以便采取有效的劳动保护措施,改善劳动条件提供依据。我们对143名高原养路工进行了尘肺调查。
In order to understand the status of pneumoconiosis in sand road maintenance work in plateau area in order to provide effective evidence of labor protection measures and improvement of working conditions. We conducted a pneumoconiosis survey on 143 plateau road maintenance workers.