Rock wool insulation blanket with excellent thermal insulating properties, construction and installation convenience, energy saving effect is remarkable, and is of high performance to price.
岩棉保温毡具有优良的保温隔热性能，施工及安装便利、节能效果显著，具有很高的性能价格比。
Industrial tests indicate that the use of an energy recoverer will markedly lower power consumption, with remarkable energy-saving results.
工业试验表明，采用能量回收机可明显降低电耗，节能效果显著。
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。
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