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立即威胁生命或健康浓度
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立即威胁生命或健康浓度
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立即威胁生命或健康浓度
释
immediately dangerous to life or health concentration
立即威胁生命或健康浓度
有害环境中空气污染物浓度达到某种危险水平,对生命立即或延迟产生威胁,或能导致永久性健康损害,或影响准入者在无助情况下从密闭空间逃生。简称IDLH。
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artwork
art works about tea
Artwork Transaction
artwork valuation
Art World Monthly
Artyom Vesyoly
Aruba Island
Aruba(Neth.)
Arughtai
Aru Kerqin national nature reserve
(a ruler) share pleasure with the people
arum
ARUMA model
ARUMA模型
arum family
Arun Qi
Arusha
Arusha Declaration
Arusha Programme
Arusha Programme on Collective Self-Reliance and Framework for Negotiations
Arusha Region
Aruwimi River
aruz rhythm
Arvayheer
Arveson
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