“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	celestial equator celestial equator system of coordinate celestial flail celestial geodesy celestial globe celestial guidance celestial horizon celestial inertial guidance celestial-inertial navigation system Celestial Intermediate Origin celestial intermediate origin Celestial Intermediate Pole celestial intermediate pole, CIP Celestial Intermediate Reference System celestial intermediate reference system celestial lance celestial latitude celestial latitude, ecliptic latitude celestial longitude celestial longitude, ecliptic longitude Celestial Market Enclosure celestial maser Celestial Master’s Mansion on Longhu Mountain celestial matter celestial mechanician

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