plan utility meaning in English

平面利用效果

They are helpful to planning new generators ( including the generators " capacity , type , address and time ) , designing , building and rebuilding the electrical networks . they are the most important jobs of the power planning utilities
它们的意义在于帮助决定新的发电机组的安装(包括装机容量大小、型式、地点和时间)与电网的规划、增容和改建，是电力规划部门的重要工作之一。