指出了在供回水立管中间设置伸缩节存在的问题。
Points out problems in setting expansion joints for supply and return water risers.
分布式变频泵供热系统中存在零压差点，该点供回水压力相等。
In the heat-supply system with distributed variable frequency pump, there exists a zero pressure difference, at which supply and return water pressures are equal.
应用热负荷修正系数，对变流量质调节供回水温度公式进行了修正。
Applying the correction coefficient of heat load, the formula on supply and return water temperature in variable temperature control with varied flow is corrected.
为了得到更均匀的温度及热流密度分布，应适当提高供水温度或降低供回水温差；
To obtain more uniform distribution of temperature and heat flux could raises supply water temperature or reduces temperature difference between supply and return water;
本文通过分析冷冻水温度变化对风机盘管全热、显热、潜热、热湿比以及供回水温差的影响，讨论了亚热带地区风机盘管采用变水温调节的可行性。
Based on the thermal comfort, the Analyses the relation of the variable water temperature, total heat, sensible heat, latent heat, angle-scale, temperature difference between supply and return water.
介绍了地源热泵的工作原理、特点，根据它在某工程中的实际应用，详细介绍了采用地源热泵空调的可行性、地源热供回水干管设计，以及热交换器的选型与安装。
The operating principle and features of the earth source heat pump are introduced. Based on its actual application in a project, the feasibility for using the earth source heat pump, the main piped…
供、回水平均温度是影响地板表面热流密度和平均温度的主要因素。
The average supply and return water temperatures are main factors affecting floor surface heat flow density and average floor surface temperature.
本实用新型提供一种铝柱枝翼散热器，由供、回水横管，铝柱枝翼散热片组成。
The utility model provides an aluminium column Chi-wing radiator comprising a feedwater horizontal tube, a backwater horizontal tube and aluminium column Chi-wing radiating fins.
分析供热管道施加阴极保护的最小保护电位值，确定供、回水管同时施加阴极保护的方式。
Analysis the minimum protection potential value on heat-supply pipeline imposing cathodic protection, determine the pattern of water supply and return pipe imposing cathodic protection.
分析供热管道施加阴极保护的最小保护电位值，确定供、回水管同时施加阴极保护的方式。
Analysis the minimum protection potential value on heat-supply pipeline imposing cathodic protection, determine the pattern of water supply and return pipe imposing cathodic protection.
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