analysis of economic benefits

• 经济效益分析

analysis of economic benefits的用法和样例：

例句

1. This article narrated the high-pressured frequency changer in iron-smelting dust removal system transformation analysis as well as the economic efficiency analysis.
   本文讲述了高压变频器在炼铁除尘系统中的改造分析以及经济效益分析。