英语词汇preevacuation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	preevacuation
释义	您要找的是不是： fire evacuation preevacuation 网络释义短语 1 preevacuation pump 前级真空泵双语例句 1 The crowd evacuation time in a fire includes the preevacuation delay time and the travel time. 火灾中人员的疏散时间主要包括疏散前的延迟时间和在通道上的疏散时间。
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