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为了预防紧急事件发生时人员由于缺乏急救或逃生训练而造成重大人员伤亡。
In order to prevent emergency personnel due to lack of first aid or escape training caused heavy casualties.
youdao
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为了预防紧急事件发生时人员由于缺乏急救或逃生训练而造成重大人员伤亡。
In order to prevent emergency personnel due to lack of first aid or escape training caused heavy casualties.
youdao