When the entire system has been filled with water, the balancing valve for each circuit can be opened and adjusted to provide optimum system comfort.

当整个系统已经注满水后，可以再打开每个循环回路的平衡阀把系统调整到最适宜的系统状态。

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Leaf area index (LAI) is not only an important attribute of land surface vegetation system, but also a key parameter for the models of global water balancing and carbon circulation.

叶面积指数LAI不仅是陆表植被系统的一个重要属性，而且是全球水平衡、碳循环等模型中的重要输入参数。

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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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