“occupational health “three at a time””的概念、定义、翻译、参考文献-科学参考

单词	occupational health “three at a time”
释义	occupational health “three at a time” Encyclopedia 工学职业卫生“三同时”释 occupational health “three at a time”职业卫生“三同时” 在总结中国环境管理实践经验基础上，被中国法律所确认的一项重要的环境保护法律制度。
随便看	invar invar alloy Invar effect invar effect invariability invariable invariable plane invariable point invariable site model invariably invariance invariance axiom invariance group invariance of differential forms invariance of domain invariance of normal processes invariance of spatial displacement invariance principle invariance property invariance theorem invariance theorem of domain invariance theory invariance thesis invariant invariant amplitude

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