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to phrases
emergency evacuation
avia. 应急撤离; 紧急撤离; 紧急疏散
el. 紧急撤离【核】
railw. 应急疏散
tech. 紧急疏散撤离程序
emergency evacuation: 20 phrases in 5 subjects
Aviation13
China2
Exhibitions1
Technology3
United States1