标定卫生空气需要量nominal hygienic air requirement 焊工尘肺pheumocomsis of welder 焊工锰中毒chronic occupational manganese poisoning of welder ..
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目的探讨电焊工尘肺预防的经济效益和社会效益。
Objective The economic and social benefits of welder pneumoconiosis prevention were studied.
结论预防电焊工尘肺发病是减少其疾病负担的关键。
Conclusion The key of decreasing disease burden is that welder pneumoconiosis being prevented.
各类尘肺新发病例数以矽肺为首，石棉肺、铸工尘肺和电焊工尘肺次之。
The cases of silicosis were ranking the first, with asbestosis, founder pneumoconiosis and welder pneumoconiosis followed.
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