求翻译：处理的质量。螺旋扁管换热器是一种具有压降下、传热效率高、不易结垢、易清洗、无折流板、无振动、成本低等优点的换热器。文章简述了螺旋扁管换热器以及热污水余热回收的工艺流程，并以具体案例分析了螺旋扁管换热器的效益，指出螺旋扁管换热器在印染行业热污水余热回收中的应用具有值得推广的积极意义。是什么意思？

Quality of processing. Spiral flat tube heat exchanger is a pressure drop, heat transfer efficiency is high and difficult to scale, easy to clean, no baffle, no vibration, low cost heat exchanger. The article gives a brief spiral flat tube heat exchanger and heat sewage waste heat recovery process,

processing quality. Chen Shui-bian spiral tube heat exchanger is a lower pressure, heat transfer efficiency, and is not easy to carry and easy-to-clean, folded-plate, vibration-free, low-cost advantages such as the heat exchanger. article outlines the spiral tube heat exchangers, as well as Chen Shu

Processing quality. Spiral flat-tube heat exchanger is a pressure drop, high heat transfer efficiency, easy to scale, easy to clean, no baffles, vibration-free, low-cost heat exchanger. Brief article on the spiral flat-tube heat exchanger and heat waste water heat recovery