When municipal pipe network service pressure decreased, the system flow could not meet the design flow, pressure drop on the municipal pipe network produced by additive pipe pressure water supply system decreased.
市政管网供水压力不足时,系统供水量下降,不能满足设计流量,叠压系统对市政管网产生的降压减小。
参考来源 - 叠压供水设备对市政管网供水影响的研究Hence a three-dimensional visual municipal pipe network management system need to be issued.
因此需要建立一个统一的三维可视化的市政管网管理系统来解决上述问题。
参考来源 - 市政管网三维可视化管理系统模型的设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
Generally applicable to the municipal pipe network pressure slightly higher areas or near water high pressure range.
一般适用于市政管网压力稍高的地区或水厂附近压力较高的范围内。
Automatic frequency of water supply equipment direct water-supply type, is the direct use of the municipal pipe network pressure to supply water directly.
全自动变频供水设备直接供水型，就是直接利用市政管网的压力直接供水。
The project for the municipal road reconstruction project is divided into road works, pipe network engineering, migration and greening works in three parts.
该工程为市政道路改造工程，分为道路工程、管网工程、迁移及绿化工程三部分。
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