久久综合九色综合欧美

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某閱卷中心信號屏蔽項目
瀏覽:45 發布日期:2015-08-04

該系統采用了大功率機箱式手機信號屏蔽器做為空曠區域的手機信號屏蔽,在閱卷老師休息住宿區無噪音的手機信號屏蔽器,及能屏蔽手機信號又不影響閱卷老師的正常休息。在閱卷工作區,我公司采購手機信號屏蔽器與電腦信息干擾器相結合的方式,阻斷閱卷現場的信息外泄。

久久综合九色综合欧美

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