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security control | system
 System
微软 Sistema
 system
一般 organismo
地球科学 机械工程 sistema termodinamico
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微软 sistema
冶金 coltivazione a pilastri
法律 财政 sistema
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security control

航空 A means by which the introduction of weapons, explosives or other dangerous devices, articles or substances which may be used to commit an act of unlawful interference can be prevented.
security control system
: 1 短语, 1 学科
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