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对国家标准《车间空气中呼吸性矽尘卫生标准》在 2 5个冶金工厂进行了试用 ,从卫生要求和浓度测定方法等方面验证该标准对冶金工厂的适用性 ,并提出了修订建议
The national standard “workshop air respirable silica dust hygiene standards” in 25 metallurgical plants were tested, from the health requirements and concentration determination methods to verify the applicability of the standard metallurgical plant, and proposed amendments