立管;
The configuration of supply and return water main and riser in the pipe well of the system is analyzed.
结合实例,分析了系统中管井内供回水干管、管的布置。
Application of Upside Feed and Underside Return Flow Vertical Double Riser Pipe Heating System in High Rise Building Heating
上供下回双立管供暖系统在高层建筑供暖中的应用
WAB single riser drainage system is a special kind of single stand pipe drainage system which has been widely used in engineering practice in our country.
WAB型单立管排水系统属于管件特殊类单立管排水系统,在国内已广泛地应用于工程实际。
Note: Riser Pipe & Sleeve Pipe are the same length.
注: 加长管道 和 套管具有相同的长度.
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