security installation meaning in English

保安装置

Burglar alarm and security installations public works category
防盗及保安装置
Burglar alarm and security installations
防盗及保安装置
A blackout monday across the entire city added to worries , with critics noting that a repeat of the outage would leave the costly security installations literally powerless
周一雅典全城的灯火管制也增加大家的忧虑，评论也一再重复提到，停电将会使昂贵的保全装置完全失效。
Meanwhile , the u . s . military said iraqi troops killed 21 insurgents and captured 43 others during a series of insurgent attacks on security installations northeast of baghdad
与此同时，美国军方说，反叛分子对巴格达东北方向的安全设施发动了一系列袭击，伊拉克部队击毙了21名反叛分子，抓获43人。