u-pipe heat exchanger u型管埋地换热器
Construction drainage PVC-U pipe u管 ; 建造排水PVC ; 建筑排水用PVC ; U管材
U-pipe pile heat exchanger U型管桩埋换热器
u pipe u管材
u-pipe u 形管
u-pipe underground u型垂直埋管
U-pipe vertical heat exchanger U型竖埋管换热器
The paper discussed the design of U-pipe bending machine based on hydraulic pressure automatic-control system.
本文介绍了基于液压控制系统的自动U型弯管机的设计。
An unsteady heat transfer model was sot up and solved by numerical solution for the heat transfer characteristic of U-pipe heat exchanger and the interaction of the two pipe legs of the GSHPs.
针对U型管埋地换热器的传热特点，考虑了两管脚之间的相互影响，建立起非稳态传热模型。
This paper mainly discusses the damaged PVC pipe maintenance methods-U the related content.
本文主要探讨受损PV C - U管道的维修方法中的有关内容。
应用推荐