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fail-safe operator

强调
微软 резервный оператор (A user who receives the alert if the designated operator cannot be reached. Rori); резервный оператор (A user who receives the alert if the designated operator cannot be reached)
fail safe operator
编程 оператор последней надежды (ssn)
 英语 词库
fail safe operator
缩写, 编程 failsafe operator (ssn)