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。

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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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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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