求翻译：投资概算：该项目原设计总投资为5250.75万元,经市发改委批复，工程更改渗沥液处理工艺后，总投资为6615.54万元。是什么意思？

Investment estimate: Total investment in the original design of the project is 52.5075 million yuan, the Municipal Development and Reform Commission approved the project to change the leachate treatment process, the total investment of 66,155,400 yuan.

Original design of the project investment budget: Total investment $52.5075 million, the City Development and Reform Commission, project approval processes change seepage Lek fluid, the total investment to $66.1554 million.

Investment budgetary estimate: This project original design total investment is 52,507,500 Yuan, gives a written reply to a subordinate after city Development and Planning Commission, after the project change infiltrates drainings the fluid processing craft, the total investment is 66,155,400 Yuan.

Investment estimate: the project originally designed total investment 52.5075 million Yuan, NDRC approved, engineering change leachate treatment process, total investment 66.1554 million Yuan.

Investment estimates: the original design project total investment of 52.5075 million Yuan, municipal development and Reform Commission approved, project after changing the landfill leachate treatment process, with a total investment of 66.1554 million Yuan.