The replacement of common smooth tubes by new spiral groove tubes during technical reconstruction of heat exchanger is both simple and remarkable energy-saving effectiveness.
用新型螺旋槽管代替普通光管对换热器进行技术改造，既简便易行，节能效果又显著。
This paper introduced grasping energy saving and technical reconstruction and applied new technology and realized economic benefits in foundery, south west Alwminium Industry Group Co.
本文介绍了西南铝业（集团）有限责任公司熔铸厂抓节能技术改造、采用新工艺及其实现的经济效益。
应用推荐