“permissible concentration-time weighted average”的概念、定义、翻译、参考文献-科学参考

单词	permissible concentration-time weighted average
释义	permissible concentration-time weighted average Encyclopedia 工学时间加权平均浓度释 permissible concentration-time weighted average时间加权平均容许浓度一个工作日8小时或一个工作周40小时中以接触有害物质的时间为权数计算所得的平均浓度。
随便看	Garden of Self-examination Garden of Stories Garden of the Weaving Department Site Garden of Zhi in Xi'an garden-path effect garden path sentence garden paving engineering garden plot garden rock garden rockery stack stone project gardens and parks in Beijing in modern times Gardens built by overseas Chinese businessmen in modern time garden seedling cultivation Gardens in Isfahan gardens in south of Yangtze River gardens in south of Yangtze River，Qing Dynasty Gardens in Suzhou Gardens in the Dunes gardens of Taicang Gardens of Xishu garden suburbs garden wall Gardiner Coit Means Garding Garding inequality

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