长江重要堤防隐蔽工程建设投资对扩大内需、拉动经济的作用和影响

长江重要堤防隐蔽工程是党中央、国务院实施积极财政政策进行长江堤防建设的重要组成部分，隐蔽工程既是重要的基础设施，也是重要的环境保护工程，隐蔽工程与其他行业的关联性很强，对众多行业具有巨大的带动作用，有效地扩大了内需，拉动了经济增长。

How Built-in Works Construction on the Main Levees Affects Internal Demand and Economy Expansion

Built-in works buried on the main levees of the Yangtze River form a critical component of levee construction on the Yangtze River. Built-in works are not only basic infrastructures, but also major environment protection structures. Built-in works have close relationship with other industrial sectors and may push forward the development of more industries for they will expand the internal demand and promote economic development.