fencing material
英
美
[网络] 栅栏材料
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。