“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	dumbbell nucleic acid dumbbell radio galaxy dumbbell-shaped curve of zero velocity dumbbell-shaped radio galaxy Du Mingxin Dumitru Radu Popescu dumka dummy dummy antenna dummy bar dummy combination dummy dee dummy index dummy instruction dummy observation dummy order dummy piston dummy pressure closed coring dummy run dummy scale dummy subscript dummy teaser dummy variable dUMP dump

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