The design and application of direct-returnsystem 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。
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If employees get hurt on the job, employers can direct them to the workers compensation system for quality medical and prompt payment of benefits and an early return to work.
Realizing mechanism of method is solved by adopted the parameter delivery of the system and the method body and the result return with the direct help of the operation system.