DictionaryForumContacts

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to phrases
emergency call
space 紧急呼叫; 呼救信号
tech. 紧急情况报警; 紧急集合; 紧急电话
telecom. 应急呼叫
emergency call: 11 phrases in 7 subjects
Automobiles1
Aviation1
China1
Communications2
Computer networks1
Electronics1
Technology4