immediately dangerous to life or health concentration
释义
immediately dangerous to life or health concentration Encyclopedia
工学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。