In downtown Vancouver, some roads are already closed, and rings of security fencing surround some key venues.
在温哥华市中心,一些道路已经关闭,一些主要场所周围设置了安全围栏。
They ended up ripping down perimeter fencing and tussling with the security staff.
他们最终扯掉了周边的栅栏,并和保安人员扭打起来。
Safety and security fencing should be part of your design.
安全和安保围栏应该是你设计的一部分。
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