结果表明变频调速系统具有很好的应用发展前景和可观的经济效益。
Result showed frequency conversion system application development prospects are very good and significant economic benefits.
通过分析lng冷量利用原理及对LNG进行的分析，得出回收lng冷量发电不仅有效利用能源，而且减少机械制冷造成的大量电能消耗，具有可观的经济效益和社会效益。
From the analysis we know that recovery and utilization of LNG cold energy not only efficiently utilizes energy, but also reduces power consumption, which has both great economic and social benefits.
在活性炭生产线上使用余热锅炉，既可减少环境污染，又可节省大量能源，具有可观的经济效益。
Using surplus energy boiler in active carbon production line, that can not only reduce environmental pollution but also save a great quantity of energy, possesses considerable economic benefits.
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