Aimed at the influence of urban-rural intensive water supply pattern on water supply pipe network, the optimization of booster pump station operation in the pipe network is mainly discussed.
针对城乡集约化供水模式对原有城市供水管网供水的影响，集中探讨了供水管网中泵站增压方式的优化。
The final few pages of the book are not about history but the future, where "cataclysm looms on every side" as we face a finite supply of water but a growing pattern of excessive use.
该书的最后几页的内容与历史无关，而是关乎未来 -当我们面临水资源有限供给却依然过度消耗的时候，未来“灾难此起彼伏”。
The appearance of the tube of new pattern provides us more choice for using proper water supply tube.
新型给水管材的出现，为我们采用适合的给水管材提供了更多的选择。
Analysis the minimum protection potential value on heat-supply pipeline imposing cathodic protection, determine the pattern of water supply and return pipe imposing cathodic protection.
分析供热管道施加阴极保护的最小保护电位值，确定供、回水管同时施加阴极保护的方式。
Analysis the minimum protection potential value on heat-supply pipeline imposing cathodic protection, determine the pattern of water supply and return pipe imposing cathodic protection.
分析供热管道施加阴极保护的最小保护电位值，确定供、回水管同时施加阴极保护的方式。
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