海港的火灾预防工作给火灾报警系统设计者提出了不少难题。要完成好这一设计,必须首先了解海港的工作运转情况。海港一般有很大的开放性区域,里面堆满着集装箱和各种货物。装货与卸货同时进行,这使得在海港周围产生了很大的噪声。海港上还有大量储存物品的设施,只有在储存或者 Harbor fire prevention work to fire alarm system designers put forward many problems. To complete this design, we must first understand the working conditions of the harbor. The seaport generally has a large open area filled with containers and a variety of goods. Loading and unloading simultaneously, which makes a lot of noise around the harbor. There are plenty of storage facilities on the harbor, only for storage or