他们无法直接获得消防服务除非支付一比特殊的消防费用。
That means they do not automatically get fire service - they have to pay a special fee.
那天Cranicks一家的房屋失火，消防员们赶到了现场，但只帮助了邻居家的财产撤离火灾的蔓延路径。因为邻居家缴付了消防费用。
When the Cranicks' home caught on fire, the firefighters showed up - but only to help out a neighbor, whose property was in the fire's path, who had paid the fire fee.
通过对防火设备、灭火装备的费用估算，介绍如何利用数学建模的方式进行消防设备费用估算的具体方法，并对火灾过程中装备费用的精确估算方法进行了初步探讨。
The paper is to introduce the concrete ways on how to estimate the cost of fire equipment's by building mathematical models, It also discusses the exact estimate way of equipment cost during the fire.
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