The design and application of direct-return system water system of air-conditioning system, and the characteristics of self-balancing control valve are discussed.
本文介绍了异程空调水系统的设计、调试方法和在异程空调水系统中应用较多的自力式平衡阀的特性。
This paper discusses the direct digital control (DDC) in the air-handing unit of air-conditioning system.
本文将讨论空调系统中空气处理机组的直接数字控制（DDC）设计。
Hanging air conditioning, Internet access system, the international and domestic direct-dial phone, cable TV and VOD E. such as STAR-shirts.
壁挂空调、互联网接收系统、国际国内直拨电话、有线电视、E视星空点播等一应俱全。
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