实践证明：该系统的应用具有显著的经济和社会效益，在橡胶产品生产行业具有很好的应用前景。
Practice has proved: the application of this system has remarkable economic and social benefit, has very good application prospects in the rubber production trade.
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.
玉米油作为乙醇生产的重要的副产品，具有很好的经济效益。
Corn oil, which is the important byproduct of the alcohol production, has very good economy benefit.
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