Water supply: water filtering and distribution, water to water district, in charge of pressurized, high-rise building pressurization.
供水：水厂过滤与输送、水厂分区送水、主管增压、高层建筑增压。
It is widely used in water supply and drainage system, high-rise building and industrial park.
该阀主要用于给水系统、高楼建筑及工业区。
Study on energy saving and optimization control of a hot water supply system is done, which is equipped with ground-water heat pump system in a high building.
课题以水源热泵供热水系统为受控对象，研究了其节能优化控制方法，主要进行的研究工作如下。
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