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fencing material

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双语例句

  • Much of the money for Pakistan was spent on physical security, like fencing and surveillance systems, and equipment for tracking nuclear material if it left secure areas.
    也花费很多财力用于巴基斯坦核武器的物理安全,如隔离和监督系统,以及核原料离开安全区域的跟踪设备。