经济效益估算：经过科学论证表明，该项目建成后将有丰厚的经济回报，利润率可达12.22%。

Estimated Economic Results: after the project is completed, its profit rate will be 12.22%.

youdao

经济效益估算：经过科学论证表明，该项目建成后将有丰厚的经济回报，利润率可达12.22%。

Estimated Economic Results: after the project is completed, its profit rate will be 12.22%.

youdao