真空回水系统 vacuum return line system
直接回水系统 direct return system
余压凝结水回水系统 back pressure condensate return system
湿回水系统 wet return system
凝结水回收系统 condensate return system
凝水回流系统 condensate return system
灰水回收系统 ash water callback system ; ash-containing recycling water
双管直接回水供暖系统 two pipe direct return system
单独回路水系统 separate circuit water system
回热式给水系统 regenerative feed system
原硝基苯装置的蒸汽及冷凝回水系统用能不合理。
The steam and condensation backwater system of original nitrobenzene installation is unreasonable on energy using.
文章还介绍了国内当前凝结水回水系统及其补水系统的配置，及其对这些系统的改造方案和改造后的效果。
The paper also introduces several configurations of domestic condensate return water system and its make-up system, and their retrofitting schemes and results after retrofitting.
从现实生产情况看，循环回水管道施工常会遇到“输水不畅”问题，影响了给排水系统运行的效率。
From a practical production, cycle the backwater pipeline construction often encounter the "poor conveyance, affect the efficiency of the running water supply and drainage system."
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