单管系统 one pipe system; one-pipe system; single main distribution; single main system; single pipe system; single pipe sytem; single-main distribution 单立管系统 single stack system; single-stack system .
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single pipe system of hotwater 单管热水供应系统
Single pipe district heating system 单区域供热系统
Single-pipe system with span-pipes 单管跨越系统
single pipe heating system 单管供热系统
single pipe circuit system 单管环行系统
single pipe distribution system 单管配热系统
vertical single-pipe heating system 垂直单管采暖系统
single-pipe series-loop heating system 单管顺序式采暖系统
single pipe dropping system 单管向下式水流
A new type of control valve for single pipe system is introduced.
介绍了一种适用于单管系统的新型调节阀。
This paper analyzes air source in heating system, states that gas is harmful in the system, points out level pipe gradient being small in single measure system, and velocity of flow must keep great.
本文通过分析采暖系统中的空气的来源，提出空气在系统中的危害，针对单户计量系统中水平管坡度较小，提出水平支管中水流速应保持较大。
Based on the practical experience for many years, performs simpler reforms of the conformation of original single? Pipe heating system.
根据多年的实践经验，对原有单管供暖系统的结构进行了简单的改造。
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