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This dynamic presentation brings the delicate balance of air and water to life.
这种动态演示带来的微妙的平衡对生命的空气和水。
According to the water and heat balance principle, this paper discussed the influence of the Baiyangdian Lake on the air temperature and humidity.
本文首先根据水热平衡原理，讨论了白洋淀对气温和湿度的影响。
The design principle of hydraulic balance in air conditioning water system was illustrated and several kinds of balancing valves and their proper application in the system have been introduced.
阐述空调水系统水力平衡的基本设计原则，介绍几种平衡阀的工作原理及其在系统中的合理应用。
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