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key-position

经济 وظيفة رئيسية
 英语 词库
Key Position [ki: pə'zɪʃn]
安全系统, 缩写 KP
key position [ki: pə'zɪʃn]
美国 A civilian position, public or private designated by the employer and approved by the Secretary concerned, that cannot be vacated during war or national emergency (JP 1-0)