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What can the staff look at when a girl is passing the security detector? It's unbelievable
2020-12-30 21:01:56
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Tags：Security check , security entrance , encyclopedia , science popularization , society
No matter by high-speed rail or by plane, you need to carry out security inspection before you get on the bus. Only in this way can you prevent those lawless elements from sneaking into the car and committing murder.
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