“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	factor bundle factor category factor combination factor-commutator functor factor-commutator group factor-complex factor congruence factor dimension factored factor effect factor functor factor graph factor group factor-group factorgroup factor groupoid factorial factorial coefficient factorial condition factorial constant factorial cumulant factorial design factorial design-overlapping resolution mapping factorial effect factorial experiment

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