短語(yǔ)詞組短語(yǔ)precedence incoming call 優(yōu)先來(lái)話呼叫higher precedence call 高等級(jí)優(yōu)先呼叫blocked precedence call announcement 阻塞的優(yōu)先呼叫通知higher multipole transition precedence call 高等級(jí)緊急電話Call Admission Precedence 呼叫許可優(yōu)先權(quán) 返回 precedence call